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llvm / llvm-project / 7e6df41f655e51c984b92bbd9c19a6fb851f35d4 / . / llvm / test / Transforms / EarlyCSE / commute.ll
blob: de14d6eb9bfb43d1eb1d7f6071f2c77360b575c1 [file] [log] [blame]
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -S -early-cse -earlycse-debug-hash | FileCheck %s
; RUN: opt < %s -S -basic-aa -early-cse-memssa | FileCheck %s
define void @test1(float %A, float %B, float* %PA, float* %PB) {
; CHECK-LABEL: @test1(
; CHECK-NEXT: [[C:%.*]] = fadd float [[A:%.*]], [[B:%.*]]
; CHECK-NEXT: store float [[C]], float* [[PA:%.*]], align 4
; CHECK-NEXT: store float [[C]], float* [[PB:%.*]], align 4
; CHECK-NEXT: ret void
;
%C = fadd float %A, %B
store float %C, float* %PA
%D = fadd float %B, %A
store float %D, float* %PB
ret void
}
define void @test2(float %A, float %B, i1* %PA, i1* %PB) {
; CHECK-LABEL: @test2(
; CHECK-NEXT: [[C:%.*]] = fcmp oeq float [[A:%.*]], [[B:%.*]]
; CHECK-NEXT: store i1 [[C]], i1* [[PA:%.*]], align 1
; CHECK-NEXT: store i1 [[C]], i1* [[PB:%.*]], align 1
; CHECK-NEXT: ret void
;
%C = fcmp oeq float %A, %B
store i1 %C, i1* %PA
%D = fcmp oeq float %B, %A
store i1 %D, i1* %PB
ret void
}
define void @test3(float %A, float %B, i1* %PA, i1* %PB) {
; CHECK-LABEL: @test3(
; CHECK-NEXT: [[C:%.*]] = fcmp uge float [[A:%.*]], [[B:%.*]]
; CHECK-NEXT: store i1 [[C]], i1* [[PA:%.*]], align 1
; CHECK-NEXT: store i1 [[C]], i1* [[PB:%.*]], align 1
; CHECK-NEXT: ret void
;
%C = fcmp uge float %A, %B
store i1 %C, i1* %PA
%D = fcmp ule float %B, %A
store i1 %D, i1* %PB
ret void
}
define void @test4(i32 %A, i32 %B, i1* %PA, i1* %PB) {
; CHECK-LABEL: @test4(
; CHECK-NEXT: [[C:%.*]] = icmp eq i32 [[A:%.*]], [[B:%.*]]
; CHECK-NEXT: store i1 [[C]], i1* [[PA:%.*]], align 1
; CHECK-NEXT: store i1 [[C]], i1* [[PB:%.*]], align 1
; CHECK-NEXT: ret void
;
%C = icmp eq i32 %A, %B
store i1 %C, i1* %PA
%D = icmp eq i32 %B, %A
store i1 %D, i1* %PB
ret void
}
define void @test5(i32 %A, i32 %B, i1* %PA, i1* %PB) {
; CHECK-LABEL: @test5(
; CHECK-NEXT: [[C:%.*]] = icmp sgt i32 [[A:%.*]], [[B:%.*]]
; CHECK-NEXT: store i1 [[C]], i1* [[PA:%.*]], align 1
; CHECK-NEXT: store i1 [[C]], i1* [[PB:%.*]], align 1
; CHECK-NEXT: ret void
;
%C = icmp sgt i32 %A, %B
store i1 %C, i1* %PA
%D = icmp slt i32 %B, %A
store i1 %D, i1* %PB
ret void
}
; Test degenerate case of commuted compare of identical comparands.
define void @test6(float %f, i1* %p1, i1* %p2) {
; CHECK-LABEL: @test6(
; CHECK-NEXT: [[C1:%.*]] = fcmp ult float [[F:%.*]], [[F]]
; CHECK-NEXT: store i1 [[C1]], i1* [[P1:%.*]], align 1
; CHECK-NEXT: store i1 [[C1]], i1* [[P2:%.*]], align 1
; CHECK-NEXT: ret void
;
%c1 = fcmp ult float %f, %f
%c2 = fcmp ugt float %f, %f
store i1 %c1, i1* %p1
store i1 %c2, i1* %p2
ret void
}
; Min/max operands may be commuted in the compare and select.
define i8 @smin_commute(i8 %a, i8 %b) {
; CHECK-LABEL: @smin_commute(
; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i8 [[A:%.*]], [[B:%.*]]
; CHECK-NEXT: [[CMP2:%.*]] = icmp slt i8 [[B]], [[A]]
; CHECK-NEXT: [[M1:%.*]] = select i1 [[CMP1]], i8 [[A]], i8 [[B]]
; CHECK-NEXT: [[R:%.*]] = mul i8 [[M1]], [[M1]]
; CHECK-NEXT: ret i8 [[R]]
;
%cmp1 = icmp slt i8 %a, %b
%cmp2 = icmp slt i8 %b, %a
%m1 = select i1 %cmp1, i8 %a, i8 %b
%m2 = select i1 %cmp2, i8 %b, i8 %a
%r = mul i8 %m1, %m2
ret i8 %r
}
; Min/max can also have a swapped predicate and select operands.
define i1 @smin_swapped(i8 %a, i8 %b) {
; CHECK-LABEL: @smin_swapped(
; CHECK-NEXT: [[CMP1:%.*]] = icmp sgt i8 [[A:%.*]], [[B:%.*]]
; CHECK-NEXT: [[CMP2:%.*]] = icmp slt i8 [[A]], [[B]]
; CHECK-NEXT: [[M1:%.*]] = select i1 [[CMP1]], i8 [[B]], i8 [[A]]
; CHECK-NEXT: ret i1 true
;
%cmp1 = icmp sgt i8 %a, %b
%cmp2 = icmp slt i8 %a, %b
%m1 = select i1 %cmp1, i8 %b, i8 %a
%m2 = select i1 %cmp2, i8 %a, i8 %b
%r = icmp eq i8 %m2, %m1
ret i1 %r
}
; Min/max can also have an inverted predicate and select operands.
define i1 @smin_inverted(i8 %a, i8 %b) {
; CHECK-LABEL: @smin_inverted(
; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i8 [[A:%.*]], [[B:%.*]]
; CHECK-NEXT: [[CMP2:%.*]] = xor i1 [[CMP1]], true
; CHECK-NEXT: [[M1:%.*]] = select i1 [[CMP1]], i8 [[A]], i8 [[B]]
; CHECK-NEXT: ret i1 true
;
%cmp1 = icmp slt i8 %a, %b
%cmp2 = xor i1 %cmp1, -1
%m1 = select i1 %cmp1, i8 %a, i8 %b
%m2 = select i1 %cmp2, i8 %b, i8 %a
%r = icmp eq i8 %m1, %m2
ret i1 %r
}
define i8 @smax_commute(i8 %a, i8 %b) {
; CHECK-LABEL: @smax_commute(
; CHECK-NEXT: [[CMP1:%.*]] = icmp sgt i8 [[A:%.*]], [[B:%.*]]
; CHECK-NEXT: [[CMP2:%.*]] = icmp sgt i8 [[B]], [[A]]
; CHECK-NEXT: [[M1:%.*]] = select i1 [[CMP1]], i8 [[A]], i8 [[B]]
; CHECK-NEXT: ret i8 0
;
%cmp1 = icmp sgt i8 %a, %b
%cmp2 = icmp sgt i8 %b, %a
%m1 = select i1 %cmp1, i8 %a, i8 %b
%m2 = select i1 %cmp2, i8 %b, i8 %a
%r = urem i8 %m2, %m1
ret i8 %r
}
define i8 @smax_swapped(i8 %a, i8 %b) {
; CHECK-LABEL: @smax_swapped(
; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i8 [[A:%.*]], [[B:%.*]]
; CHECK-NEXT: [[CMP2:%.*]] = icmp sgt i8 [[A]], [[B]]
; CHECK-NEXT: [[M1:%.*]] = select i1 [[CMP1]], i8 [[B]], i8 [[A]]
; CHECK-NEXT: ret i8 1
;
%cmp1 = icmp slt i8 %a, %b
%cmp2 = icmp sgt i8 %a, %b
%m1 = select i1 %cmp1, i8 %b, i8 %a
%m2 = select i1 %cmp2, i8 %a, i8 %b
%r = sdiv i8 %m1, %m2
ret i8 %r
}
define i1 @smax_inverted(i8 %a, i8 %b) {
; CHECK-LABEL: @smax_inverted(
; CHECK-NEXT: [[CMP1:%.*]] = icmp sgt i8 [[A:%.*]], [[B:%.*]]
; CHECK-NEXT: [[CMP2:%.*]] = xor i1 [[CMP1]], true
; CHECK-NEXT: [[M1:%.*]] = select i1 [[CMP1]], i8 [[A]], i8 [[B]]
; CHECK-NEXT: ret i1 true
;
%cmp1 = icmp sgt i8 %a, %b
%cmp2 = xor i1 %cmp1, -1
%m1 = select i1 %cmp1, i8 %a, i8 %b
%m2 = select i1 %cmp2, i8 %b, i8 %a
%r = icmp eq i8 %m1, %m2
ret i1 %r
}
define i8 @umin_commute(i8 %a, i8 %b) {
; CHECK-LABEL: @umin_commute(
; CHECK-NEXT: [[CMP1:%.*]] = icmp ult i8 [[A:%.*]], [[B:%.*]]
; CHECK-NEXT: [[CMP2:%.*]] = icmp ult i8 [[B]], [[A]]
; CHECK-NEXT: [[M1:%.*]] = select i1 [[CMP1]], i8 [[A]], i8 [[B]]
; CHECK-NEXT: ret i8 0
;
%cmp1 = icmp ult i8 %a, %b
%cmp2 = icmp ult i8 %b, %a
%m1 = select i1 %cmp1, i8 %a, i8 %b
%m2 = select i1 %cmp2, i8 %b, i8 %a
%r = sub i8 %m2, %m1
ret i8 %r
}
; Choose a vector type just to show that works.
define <2 x i8> @umin_swapped(<2 x i8> %a, <2 x i8> %b) {
; CHECK-LABEL: @umin_swapped(
; CHECK-NEXT: [[CMP1:%.*]] = icmp ugt <2 x i8> [[A:%.*]], [[B:%.*]]
; CHECK-NEXT: [[CMP2:%.*]] = icmp ult <2 x i8> [[A]], [[B]]
; CHECK-NEXT: [[M1:%.*]] = select <2 x i1> [[CMP1]], <2 x i8> [[B]], <2 x i8> [[A]]
; CHECK-NEXT: ret <2 x i8> zeroinitializer
;
%cmp1 = icmp ugt <2 x i8> %a, %b
%cmp2 = icmp ult <2 x i8> %a, %b
%m1 = select <2 x i1> %cmp1, <2 x i8> %b, <2 x i8> %a
%m2 = select <2 x i1> %cmp2, <2 x i8> %a, <2 x i8> %b
%r = sub <2 x i8> %m2, %m1
ret <2 x i8> %r
}
define i1 @umin_inverted(i8 %a, i8 %b) {
; CHECK-LABEL: @umin_inverted(
; CHECK-NEXT: [[CMP1:%.*]] = icmp ult i8 [[A:%.*]], [[B:%.*]]
; CHECK-NEXT: [[CMP2:%.*]] = xor i1 [[CMP1]], true
; CHECK-NEXT: [[M1:%.*]] = select i1 [[CMP1]], i8 [[A]], i8 [[B]]
; CHECK-NEXT: ret i1 true
;
%cmp1 = icmp ult i8 %a, %b
%cmp2 = xor i1 %cmp1, -1
%m1 = select i1 %cmp1, i8 %a, i8 %b
%m2 = select i1 %cmp2, i8 %b, i8 %a
%r = icmp eq i8 %m1, %m2
ret i1 %r
}
define i8 @umax_commute(i8 %a, i8 %b) {
; CHECK-LABEL: @umax_commute(
; CHECK-NEXT: [[CMP1:%.*]] = icmp ugt i8 [[A:%.*]], [[B:%.*]]
; CHECK-NEXT: [[CMP2:%.*]] = icmp ugt i8 [[B]], [[A]]
; CHECK-NEXT: [[M1:%.*]] = select i1 [[CMP1]], i8 [[A]], i8 [[B]]
; CHECK-NEXT: ret i8 1
;
%cmp1 = icmp ugt i8 %a, %b
%cmp2 = icmp ugt i8 %b, %a
%m1 = select i1 %cmp1, i8 %a, i8 %b
%m2 = select i1 %cmp2, i8 %b, i8 %a
%r = udiv i8 %m1, %m2
ret i8 %r
}
define i8 @umax_swapped(i8 %a, i8 %b) {
; CHECK-LABEL: @umax_swapped(
; CHECK-NEXT: [[CMP1:%.*]] = icmp ult i8 [[A:%.*]], [[B:%.*]]
; CHECK-NEXT: [[CMP2:%.*]] = icmp ugt i8 [[A]], [[B]]
; CHECK-NEXT: [[M1:%.*]] = select i1 [[CMP1]], i8 [[B]], i8 [[A]]
; CHECK-NEXT: [[R:%.*]] = add i8 [[M1]], [[M1]]
; CHECK-NEXT: ret i8 [[R]]
;
%cmp1 = icmp ult i8 %a, %b
%cmp2 = icmp ugt i8 %a, %b
%m1 = select i1 %cmp1, i8 %b, i8 %a
%m2 = select i1 %cmp2, i8 %a, i8 %b
%r = add i8 %m2, %m1
ret i8 %r
}
define i1 @umax_inverted(i8 %a, i8 %b) {
; CHECK-LABEL: @umax_inverted(
; CHECK-NEXT: [[CMP1:%.*]] = icmp ugt i8 [[A:%.*]], [[B:%.*]]
; CHECK-NEXT: [[CMP2:%.*]] = xor i1 [[CMP1]], true
; CHECK-NEXT: [[M1:%.*]] = select i1 [[CMP1]], i8 [[A]], i8 [[B]]
; CHECK-NEXT: ret i1 true
;
%cmp1 = icmp ugt i8 %a, %b
%cmp2 = xor i1 %cmp1, -1
%m1 = select i1 %cmp1, i8 %a, i8 %b
%m2 = select i1 %cmp2, i8 %b, i8 %a
%r = icmp eq i8 %m1, %m2
ret i1 %r
}
; Min/max may exist with non-canonical operands. Value tracking can match those.
; But we do not use value tracking, so we expect instcombine will canonicalize
; this code to a form that allows CSE.
define i8 @smax_nsw(i8 %a, i8 %b) {
; CHECK-LABEL: @smax_nsw(
; CHECK-NEXT: [[SUB:%.*]] = sub nsw i8 [[A:%.*]], [[B:%.*]]
; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i8 [[A]], [[B]]
; CHECK-NEXT: [[CMP2:%.*]] = icmp sgt i8 [[SUB]], 0
; CHECK-NEXT: [[M1:%.*]] = select i1 [[CMP1]], i8 0, i8 [[SUB]]
; CHECK-NEXT: [[M2:%.*]] = select i1 [[CMP2]], i8 [[SUB]], i8 0
; CHECK-NEXT: [[R:%.*]] = sub i8 [[M2]], [[M1]]
; CHECK-NEXT: ret i8 [[R]]
;
%sub = sub nsw i8 %a, %b
%cmp1 = icmp slt i8 %a, %b
%cmp2 = icmp sgt i8 %sub, 0
%m1 = select i1 %cmp1, i8 0, i8 %sub
%m2 = select i1 %cmp2, i8 %sub, i8 0
%r = sub i8 %m2, %m1
ret i8 %r
}
define i8 @abs_swapped_sge(i8 %a) {
; CHECK-LABEL: @abs_swapped_sge(
; CHECK-NEXT: [[NEG:%.*]] = sub i8 0, [[A:%.*]]
; CHECK-NEXT: [[CMP1:%.*]] = icmp sge i8 [[A]], 0
; CHECK-NEXT: [[CMP2:%.*]] = icmp slt i8 [[A]], 0
; CHECK-NEXT: [[M1:%.*]] = select i1 [[CMP1]], i8 [[A]], i8 [[NEG]]
; CHECK-NEXT: ret i8 0
;
%neg = sub i8 0, %a
%cmp1 = icmp sge i8 %a, 0
%cmp2 = icmp slt i8 %a, 0
%m1 = select i1 %cmp1, i8 %a, i8 %neg
%m2 = select i1 %cmp2, i8 %neg, i8 %a
%r = xor i8 %m2, %m1
ret i8 %r
}
define i8 @nabs_swapped_sge(i8 %a) {
; CHECK-LABEL: @nabs_swapped_sge(
; CHECK-NEXT: [[NEG:%.*]] = sub i8 0, [[A:%.*]]
; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i8 [[A]], 0
; CHECK-NEXT: [[CMP2:%.*]] = icmp sge i8 [[A]], 0
; CHECK-NEXT: [[M1:%.*]] = select i1 [[CMP1]], i8 [[A]], i8 [[NEG]]
; CHECK-NEXT: ret i8 0
;
%neg = sub i8 0, %a
%cmp1 = icmp slt i8 %a, 0
%cmp2 = icmp sge i8 %a, 0
%m1 = select i1 %cmp1, i8 %a, i8 %neg
%m2 = select i1 %cmp2, i8 %neg, i8 %a
%r = xor i8 %m2, %m1
ret i8 %r
}
; Abs/nabs may exist with non-canonical operands. Value tracking can match those.
; But we do not use value tracking, so we expect instcombine will canonicalize
; this code to a form that allows CSE.
define i8 @abs_swapped(i8 %a) {
; CHECK-LABEL: @abs_swapped(
; CHECK-NEXT: [[NEG:%.*]] = sub i8 0, [[A:%.*]]
; CHECK-NEXT: [[CMP1:%.*]] = icmp sgt i8 [[A]], 0
; CHECK-NEXT: [[CMP2:%.*]] = icmp slt i8 [[A]], 0
; CHECK-NEXT: [[M1:%.*]] = select i1 [[CMP1]], i8 [[A]], i8 [[NEG]]
; CHECK-NEXT: [[M2:%.*]] = select i1 [[CMP2]], i8 [[NEG]], i8 [[A]]
; CHECK-NEXT: [[R:%.*]] = or i8 [[M2]], [[M1]]
; CHECK-NEXT: ret i8 [[R]]
;
%neg = sub i8 0, %a
%cmp1 = icmp sgt i8 %a, 0
%cmp2 = icmp slt i8 %a, 0
%m1 = select i1 %cmp1, i8 %a, i8 %neg
%m2 = select i1 %cmp2, i8 %neg, i8 %a
%r = or i8 %m2, %m1
ret i8 %r
}
define i8 @abs_inverted(i8 %a) {
; CHECK-LABEL: @abs_inverted(
; CHECK-NEXT: [[NEG:%.*]] = sub i8 0, [[A:%.*]]
; CHECK-NEXT: [[CMP1:%.*]] = icmp sgt i8 [[A]], 0
; CHECK-NEXT: [[CMP2:%.*]] = xor i1 [[CMP1]], true
; CHECK-NEXT: [[M1:%.*]] = select i1 [[CMP1]], i8 [[A]], i8 [[NEG]]
; CHECK-NEXT: ret i8 [[M1]]
;
%neg = sub i8 0, %a
%cmp1 = icmp sgt i8 %a, 0
%cmp2 = xor i1 %cmp1, -1
%m1 = select i1 %cmp1, i8 %a, i8 %neg
%m2 = select i1 %cmp2, i8 %neg, i8 %a
%r = or i8 %m2, %m1
ret i8 %r
}
; Abs/nabs may exist with non-canonical operands. Value tracking can match those.
; But we do not use value tracking, so we expect instcombine will canonicalize
; this code to a form that allows CSE.
define i8 @nabs_swapped(i8 %a) {
; CHECK-LABEL: @nabs_swapped(
; CHECK-NEXT: [[NEG:%.*]] = sub i8 0, [[A:%.*]]
; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i8 [[A]], 0
; CHECK-NEXT: [[CMP2:%.*]] = icmp sgt i8 [[A]], 0
; CHECK-NEXT: [[M1:%.*]] = select i1 [[CMP1]], i8 [[A]], i8 [[NEG]]
; CHECK-NEXT: [[M2:%.*]] = select i1 [[CMP2]], i8 [[NEG]], i8 [[A]]
; CHECK-NEXT: [[R:%.*]] = xor i8 [[M2]], [[M1]]
; CHECK-NEXT: ret i8 [[R]]
;
%neg = sub i8 0, %a
%cmp1 = icmp slt i8 %a, 0
%cmp2 = icmp sgt i8 %a, 0
%m1 = select i1 %cmp1, i8 %a, i8 %neg
%m2 = select i1 %cmp2, i8 %neg, i8 %a
%r = xor i8 %m2, %m1
ret i8 %r
}
define i8 @nabs_inverted(i8 %a) {
; CHECK-LABEL: @nabs_inverted(
; CHECK-NEXT: [[NEG:%.*]] = sub i8 0, [[A:%.*]]
; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i8 [[A]], 0
; CHECK-NEXT: [[CMP2:%.*]] = xor i1 [[CMP1]], true
; CHECK-NEXT: [[M1:%.*]] = select i1 [[CMP1]], i8 [[A]], i8 [[NEG]]
; CHECK-NEXT: ret i8 0
;
%neg = sub i8 0, %a
%cmp1 = icmp slt i8 %a, 0
%cmp2 = xor i1 %cmp1, -1
%m1 = select i1 %cmp1, i8 %a, i8 %neg
%m2 = select i1 %cmp2, i8 %neg, i8 %a
%r = xor i8 %m2, %m1
ret i8 %r
}
; Abs/nabs may exist with non-canonical operands. Value tracking can match those.
; But we do not use value tracking, so we expect instcombine will canonicalize
; this code to a form that allows CSE.
; compares are different.
define i8 @abs_different_constants(i8 %a) {
; CHECK-LABEL: @abs_different_constants(
; CHECK-NEXT: [[NEG:%.*]] = sub i8 0, [[A:%.*]]
; CHECK-NEXT: [[CMP1:%.*]] = icmp sgt i8 [[A]], -1
; CHECK-NEXT: [[CMP2:%.*]] = icmp slt i8 [[A]], 0
; CHECK-NEXT: [[M1:%.*]] = select i1 [[CMP1]], i8 [[A]], i8 [[NEG]]
; CHECK-NEXT: [[M2:%.*]] = select i1 [[CMP2]], i8 [[NEG]], i8 [[A]]
; CHECK-NEXT: [[R:%.*]] = or i8 [[M2]], [[M1]]
; CHECK-NEXT: ret i8 [[R]]
;
%neg = sub i8 0, %a
%cmp1 = icmp sgt i8 %a, -1
%cmp2 = icmp slt i8 %a, 0
%m1 = select i1 %cmp1, i8 %a, i8 %neg
%m2 = select i1 %cmp2, i8 %neg, i8 %a
%r = or i8 %m2, %m1
ret i8 %r
}
; Abs/nabs may exist with non-canonical operands. Value tracking can match those.
; But we do not use value tracking, so we expect instcombine will canonicalize
; this code to a form that allows CSE.
define i8 @nabs_different_constants(i8 %a) {
; CHECK-LABEL: @nabs_different_constants(
; CHECK-NEXT: [[NEG:%.*]] = sub i8 0, [[A:%.*]]
; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i8 [[A]], 0
; CHECK-NEXT: [[CMP2:%.*]] = icmp sgt i8 [[A]], -1
; CHECK-NEXT: [[M1:%.*]] = select i1 [[CMP1]], i8 [[A]], i8 [[NEG]]
; CHECK-NEXT: [[M2:%.*]] = select i1 [[CMP2]], i8 [[NEG]], i8 [[A]]
; CHECK-NEXT: [[R:%.*]] = xor i8 [[M2]], [[M1]]
; CHECK-NEXT: ret i8 [[R]]
;
%neg = sub i8 0, %a
%cmp1 = icmp slt i8 %a, 0
%cmp2 = icmp sgt i8 %a, -1
%m1 = select i1 %cmp1, i8 %a, i8 %neg
%m2 = select i1 %cmp2, i8 %neg, i8 %a
%r = xor i8 %m2, %m1
ret i8 %r
}
; https://bugs.llvm.org/show_bug.cgi?id=41101
; Detect equivalence of selects with commuted operands: 'not' cond.
define i32 @select_not_cond(i1 %cond, i32 %t, i32 %f) {
; CHECK-LABEL: @select_not_cond(
; CHECK-NEXT: [[NOT:%.*]] = xor i1 [[COND:%.*]], true
; CHECK-NEXT: [[M1:%.*]] = select i1 [[COND]], i32 [[T:%.*]], i32 [[F:%.*]]
; CHECK-NEXT: ret i32 0
;
%not = xor i1 %cond, -1
%m1 = select i1 %cond, i32 %t, i32 %f
%m2 = select i1 %not, i32 %f, i32 %t
%r = xor i32 %m2, %m1
ret i32 %r
}
; Detect equivalence of selects with commuted operands: 'not' cond with vector select.
define <2 x double> @select_not_cond_commute_vec(<2 x i1> %cond, <2 x double> %t, <2 x double> %f) {
; CHECK-LABEL: @select_not_cond_commute_vec(
; CHECK-NEXT: [[NOT:%.*]] = xor <2 x i1> [[COND:%.*]], <i1 true, i1 true>
; CHECK-NEXT: [[M1:%.*]] = select <2 x i1> [[COND]], <2 x double> [[T:%.*]], <2 x double> [[F:%.*]]
; CHECK-NEXT: ret <2 x double> <double 1.000000e+00, double 1.000000e+00>
;
%not = xor <2 x i1> %cond, <i1 -1, i1 -1>
%m1 = select <2 x i1> %cond, <2 x double> %t, <2 x double> %f
%m2 = select <2 x i1> %not, <2 x double> %f, <2 x double> %t
%r = fdiv nnan <2 x double> %m1, %m2
ret <2 x double> %r
}
; Negative test - select ops must be commuted.
define i32 @select_not_cond_wrong_select_ops(i1 %cond, i32 %t, i32 %f) {
; CHECK-LABEL: @select_not_cond_wrong_select_ops(
; CHECK-NEXT: [[NOT:%.*]] = xor i1 [[COND:%.*]], true
; CHECK-NEXT: [[M1:%.*]] = select i1 [[COND]], i32 [[T:%.*]], i32 [[F:%.*]]
; CHECK-NEXT: [[M2:%.*]] = select i1 [[NOT]], i32 [[T]], i32 [[F]]
; CHECK-NEXT: [[R:%.*]] = xor i32 [[M2]], [[M1]]
; CHECK-NEXT: ret i32 [[R]]
;
%not = xor i1 %cond, -1
%m1 = select i1 %cond, i32 %t, i32 %f
%m2 = select i1 %not, i32 %t, i32 %f
%r = xor i32 %m2, %m1
ret i32 %r
}
; Negative test - not a 'not'.
define i32 @select_not_cond_wrong_cond(i1 %cond, i32 %t, i32 %f) {
; CHECK-LABEL: @select_not_cond_wrong_cond(
; CHECK-NEXT: [[M1:%.*]] = select i1 [[COND:%.*]], i32 [[T:%.*]], i32 [[F:%.*]]
; CHECK-NEXT: [[M2:%.*]] = select i1 [[COND]], i32 [[F]], i32 [[T]]
; CHECK-NEXT: [[R:%.*]] = xor i32 [[M2]], [[M1]]
; CHECK-NEXT: ret i32 [[R]]
;
%not = xor i1 %cond, -2
%m1 = select i1 %cond, i32 %t, i32 %f
%m2 = select i1 %not, i32 %f, i32 %t
%r = xor i32 %m2, %m1
ret i32 %r
}
; Detect equivalence of selects with commuted operands: inverted pred with fcmps.
define i32 @select_invert_pred_cond(float %x, i32 %t, i32 %f) {
; CHECK-LABEL: @select_invert_pred_cond(
; CHECK-NEXT: [[COND:%.*]] = fcmp ueq float [[X:%.*]], 4.200000e+01
; CHECK-NEXT: [[INVCOND:%.*]] = fcmp one float [[X]], 4.200000e+01
; CHECK-NEXT: [[M1:%.*]] = select i1 [[COND]], i32 [[T:%.*]], i32 [[F:%.*]]
; CHECK-NEXT: ret i32 0
;
%cond = fcmp ueq float %x, 42.0
%invcond = fcmp one float %x, 42.0
%m1 = select i1 %cond, i32 %t, i32 %f
%m2 = select i1 %invcond, i32 %f, i32 %t
%r = xor i32 %m2, %m1
ret i32 %r
}
; Detect equivalence of selects with commuted operands: inverted pred with icmps and vectors.
define <2 x i32> @select_invert_pred_cond_commute_vec(<2 x i8> %x, <2 x i32> %t, <2 x i32> %f) {
; CHECK-LABEL: @select_invert_pred_cond_commute_vec(
; CHECK-NEXT: [[COND:%.*]] = icmp sgt <2 x i8> [[X:%.*]], <i8 42, i8 -1>
; CHECK-NEXT: [[INVCOND:%.*]] = icmp sle <2 x i8> [[X]], <i8 42, i8 -1>
; CHECK-NEXT: [[M1:%.*]] = select <2 x i1> [[COND]], <2 x i32> [[T:%.*]], <2 x i32> [[F:%.*]]
; CHECK-NEXT: ret <2 x i32> zeroinitializer
;
%cond = icmp sgt <2 x i8> %x, <i8 42, i8 -1>
%invcond = icmp sle <2 x i8> %x, <i8 42, i8 -1>
%m1 = select <2 x i1> %cond, <2 x i32> %t, <2 x i32> %f
%m2 = select <2 x i1> %invcond, <2 x i32> %f, <2 x i32> %t
%r = xor <2 x i32> %m1, %m2
ret <2 x i32> %r
}
; Negative test - select ops must be commuted.
define i32 @select_invert_pred_wrong_select_ops(float %x, i32 %t, i32 %f) {
; CHECK-LABEL: @select_invert_pred_wrong_select_ops(
; CHECK-NEXT: [[COND:%.*]] = fcmp ueq float [[X:%.*]], 4.200000e+01
; CHECK-NEXT: [[INVCOND:%.*]] = fcmp one float [[X]], 4.200000e+01
; CHECK-NEXT: [[M1:%.*]] = select i1 [[COND]], i32 [[F:%.*]], i32 [[T:%.*]]
; CHECK-NEXT: [[M2:%.*]] = select i1 [[INVCOND]], i32 [[F]], i32 [[T]]
; CHECK-NEXT: [[R:%.*]] = xor i32 [[M2]], [[M1]]
; CHECK-NEXT: ret i32 [[R]]
;
%cond = fcmp ueq float %x, 42.0
%invcond = fcmp one float %x, 42.0
%m1 = select i1 %cond, i32 %f, i32 %t
%m2 = select i1 %invcond, i32 %f, i32 %t
%r = xor i32 %m2, %m1
ret i32 %r
}
; Negative test - not an inverted predicate.
define i32 @select_invert_pred_wrong_cond(float %x, i32 %t, i32 %f) {
; CHECK-LABEL: @select_invert_pred_wrong_cond(
; CHECK-NEXT: [[COND:%.*]] = fcmp ueq float [[X:%.*]], 4.200000e+01
; CHECK-NEXT: [[INVCOND:%.*]] = fcmp une float [[X]], 4.200000e+01
; CHECK-NEXT: [[M1:%.*]] = select i1 [[COND]], i32 [[T:%.*]], i32 [[F:%.*]]
; CHECK-NEXT: [[M2:%.*]] = select i1 [[INVCOND]], i32 [[F]], i32 [[T]]
; CHECK-NEXT: [[R:%.*]] = xor i32 [[M2]], [[M1]]
; CHECK-NEXT: ret i32 [[R]]
;
%cond = fcmp ueq float %x, 42.0
%invcond = fcmp une float %x, 42.0
%m1 = select i1 %cond, i32 %t, i32 %f
%m2 = select i1 %invcond, i32 %f, i32 %t
%r = xor i32 %m2, %m1
ret i32 %r
}
; Negative test - cmp ops must match.
define i32 @select_invert_pred_wrong_cmp_ops(float %x, i32 %t, i32 %f) {
; CHECK-LABEL: @select_invert_pred_wrong_cmp_ops(
; CHECK-NEXT: [[COND:%.*]] = fcmp ueq float [[X:%.*]], 4.200000e+01
; CHECK-NEXT: [[INVCOND:%.*]] = fcmp one float [[X]], 4.300000e+01
; CHECK-NEXT: [[M1:%.*]] = select i1 [[COND]], i32 [[T:%.*]], i32 [[F:%.*]]
; CHECK-NEXT: [[M2:%.*]] = select i1 [[INVCOND]], i32 [[F]], i32 [[T]]
; CHECK-NEXT: [[R:%.*]] = xor i32 [[M2]], [[M1]]
; CHECK-NEXT: ret i32 [[R]]
;
%cond = fcmp ueq float %x, 42.0
%invcond = fcmp one float %x, 43.0
%m1 = select i1 %cond, i32 %t, i32 %f
%m2 = select i1 %invcond, i32 %f, i32 %t
%r = xor i32 %m2, %m1
ret i32 %r
}
; If we have both an inverted predicate and a 'not' op, recognize the double-negation.
define i32 @select_not_invert_pred_cond(i8 %x, i32 %t, i32 %f) {
; CHECK-LABEL: @select_not_invert_pred_cond(
; CHECK-NEXT: [[COND:%.*]] = icmp ugt i8 [[X:%.*]], 42
; CHECK-NEXT: [[INVCOND:%.*]] = icmp ule i8 [[X]], 42
; CHECK-NEXT: [[NOT:%.*]] = xor i1 [[INVCOND]], true
; CHECK-NEXT: [[M1:%.*]] = select i1 [[COND]], i32 [[T:%.*]], i32 [[F:%.*]]
; CHECK-NEXT: ret i32 0
;
%cond = icmp ugt i8 %x, 42
%invcond = icmp ule i8 %x, 42
%not = xor i1 %invcond, -1
%m1 = select i1 %cond, i32 %t, i32 %f
%m2 = select i1 %not, i32 %t, i32 %f
%r = sub i32 %m1, %m2
ret i32 %r
}
; If we have both an inverted predicate and a 'not' op, recognize the double-negation.
define i32 @select_not_invert_pred_cond_commute(i8 %x, i8 %y, i32 %t, i32 %f) {
; CHECK-LABEL: @select_not_invert_pred_cond_commute(
; CHECK-NEXT: [[INVCOND:%.*]] = icmp ule i8 [[X:%.*]], [[Y:%.*]]
; CHECK-NEXT: [[NOT:%.*]] = xor i1 [[INVCOND]], true
; CHECK-NEXT: [[M2:%.*]] = select i1 [[NOT]], i32 [[T:%.*]], i32 [[F:%.*]]
; CHECK-NEXT: [[COND:%.*]] = icmp ugt i8 [[X]], [[Y]]
; CHECK-NEXT: ret i32 0
;
%invcond = icmp ule i8 %x, %y
%not = xor i1 %invcond, -1
%m2 = select i1 %not, i32 %t, i32 %f
%cond = icmp ugt i8 %x, %y
%m1 = select i1 %cond, i32 %t, i32 %f
%r = sub i32 %m2, %m1
ret i32 %r
}
; Negative test - not an inverted predicate.
define i32 @select_not_invert_pred_cond_wrong_pred(i8 %x, i8 %y, i32 %t, i32 %f) {
; CHECK-LABEL: @select_not_invert_pred_cond_wrong_pred(
; CHECK-NEXT: [[INVCOND:%.*]] = icmp ult i8 [[X:%.*]], [[Y:%.*]]
; CHECK-NEXT: [[NOT:%.*]] = xor i1 [[INVCOND]], true
; CHECK-NEXT: [[M2:%.*]] = select i1 [[NOT]], i32 [[T:%.*]], i32 [[F:%.*]]
; CHECK-NEXT: [[COND:%.*]] = icmp ugt i8 [[X]], [[Y]]
; CHECK-NEXT: [[M1:%.*]] = select i1 [[COND]], i32 [[T]], i32 [[F]]
; CHECK-NEXT: [[R:%.*]] = sub i32 [[M2]], [[M1]]
; CHECK-NEXT: ret i32 [[R]]
;
%invcond = icmp ult i8 %x, %y
%not = xor i1 %invcond, -1
%m2 = select i1 %not, i32 %t, i32 %f
%cond = icmp ugt i8 %x, %y
%m1 = select i1 %cond, i32 %t, i32 %f
%r = sub i32 %m2, %m1
ret i32 %r
}
; Negative test - cmp ops must match.
define i32 @select_not_invert_pred_cond_wrong_cmp_op(i8 %x, i8 %y, i32 %t, i32 %f) {
; CHECK-LABEL: @select_not_invert_pred_cond_wrong_cmp_op(
; CHECK-NEXT: [[INVCOND:%.*]] = icmp ule i8 [[X:%.*]], 42
; CHECK-NEXT: [[NOT:%.*]] = xor i1 [[INVCOND]], true
; CHECK-NEXT: [[M2:%.*]] = select i1 [[NOT]], i32 [[T:%.*]], i32 [[F:%.*]]
; CHECK-NEXT: [[COND:%.*]] = icmp ugt i8 [[X]], [[Y:%.*]]
; CHECK-NEXT: [[M1:%.*]] = select i1 [[COND]], i32 [[T]], i32 [[F]]
; CHECK-NEXT: [[R:%.*]] = sub i32 [[M2]], [[M1]]
; CHECK-NEXT: ret i32 [[R]]
;
%invcond = icmp ule i8 %x, 42
%not = xor i1 %invcond, -1
%m2 = select i1 %not, i32 %t, i32 %f
%cond = icmp ugt i8 %x, %y
%m1 = select i1 %cond, i32 %t, i32 %f
%r = sub i32 %m2, %m1
ret i32 %r
}
; Negative test - select ops must be same (and not commuted).
define i32 @select_not_invert_pred_cond_wrong_select_op(i8 %x, i8 %y, i32 %t, i32 %f) {
; CHECK-LABEL: @select_not_invert_pred_cond_wrong_select_op(
; CHECK-NEXT: [[INVCOND:%.*]] = icmp ule i8 [[X:%.*]], [[Y:%.*]]
; CHECK-NEXT: [[NOT:%.*]] = xor i1 [[INVCOND]], true
; CHECK-NEXT: [[M2:%.*]] = select i1 [[NOT]], i32 [[T:%.*]], i32 [[F:%.*]]
; CHECK-NEXT: [[COND:%.*]] = icmp ugt i8 [[X]], [[Y]]
; CHECK-NEXT: [[M1:%.*]] = select i1 [[COND]], i32 [[F]], i32 [[T]]
; CHECK-NEXT: [[R:%.*]] = sub i32 [[M2]], [[M1]]
; CHECK-NEXT: ret i32 [[R]]
;
%invcond = icmp ule i8 %x, %y
%not = xor i1 %invcond, -1
%m2 = select i1 %not, i32 %t, i32 %f
%cond = icmp ugt i8 %x, %y
%m1 = select i1 %cond, i32 %f, i32 %t
%r = sub i32 %m2, %m1
ret i32 %r
}
; This test is a reproducer for a bug involving inverted min/max selects
; hashing differently but comparing as equal. It exhibits such a pair of
; values, and we run this test with -earlycse-debug-hash which would catch
; the disagreement and fail if it regressed.
; EarlyCSE should be able to detect the 2nd redundant `select` and eliminate
; it.
define i32 @inverted_max(i32 %i) {
; CHECK-LABEL: @inverted_max(
; CHECK-NEXT: [[CMP:%.*]] = icmp sle i32 0, [[I:%.*]]
; CHECK-NEXT: [[M1:%.*]] = select i1 [[CMP]], i32 [[I]], i32 0
; CHECK-NEXT: [[CMPINV:%.*]] = icmp sgt i32 0, [[I]]
; CHECK-NEXT: [[R:%.*]] = add i32 [[M1]], [[M1]]
; CHECK-NEXT: ret i32 [[R]]
;
%cmp = icmp sle i32 0, %i
%m1 = select i1 %cmp, i32 %i, i32 0
%cmpinv = icmp sgt i32 0, %i
%m2 = select i1 %cmpinv, i32 0, i32 %i
%r = add i32 %m1, %m2
ret i32 %r
}
; This test is a reproducer for a bug involving inverted min/max selects
; hashing differently but comparing as equal. It exhibits such a pair of
; values, and we run this test with -earlycse-debug-hash which would catch
; the disagreement and fail if it regressed. This test also includes a
; negation of each negation to check for the same issue one level deeper.
define void @not_not_min(i32* %px, i32* %py, i32* %pout) {
; CHECK-LABEL: @not_not_min(
; CHECK-NEXT: [[X:%.*]] = load volatile i32, i32* [[PX:%.*]], align 4
; CHECK-NEXT: [[Y:%.*]] = load volatile i32, i32* [[PY:%.*]], align 4
; CHECK-NEXT: [[CMPA:%.*]] = icmp slt i32 [[X]], [[Y]]
; CHECK-NEXT: [[CMPB:%.*]] = xor i1 [[CMPA]], true
; CHECK-NEXT: [[RA:%.*]] = select i1 [[CMPA]], i32 [[X]], i32 [[Y]]
; CHECK-NEXT: store volatile i32 [[RA]], i32* [[POUT:%.*]], align 4
; CHECK-NEXT: store volatile i32 [[RA]], i32* [[POUT]], align 4
; CHECK-NEXT: store volatile i32 [[RA]], i32* [[POUT]], align 4
; CHECK-NEXT: ret void
;
%x = load volatile i32, i32* %px
%y = load volatile i32, i32* %py
%cmpa = icmp slt i32 %x, %y
%cmpb = xor i1 %cmpa, -1
%cmpc = xor i1 %cmpb, -1
%ra = select i1 %cmpa, i32 %x, i32 %y
%rb = select i1 %cmpb, i32 %y, i32 %x
%rc = select i1 %cmpc, i32 %x, i32 %y
store volatile i32 %ra, i32* %pout
store volatile i32 %rb, i32* %pout
store volatile i32 %rc, i32* %pout
ret void
}
; This would cause an assert/crash because we matched
; a ValueTracking select pattern that required 'nsw'
; on an operand, but we remove that flag as part of
; CSE matching/hashing.
define void @PR41083_1(i32 %span_left, i32 %clip_left) {
; CHECK-LABEL: @PR41083_1(
; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[CLIP_LEFT:%.*]], [[SPAN_LEFT:%.*]]
; CHECK-NEXT: [[SUB:%.*]] = sub i32 [[CLIP_LEFT]], [[SPAN_LEFT]]
; CHECK-NEXT: [[COND:%.*]] = select i1 [[CMP]], i32 [[SUB]], i32 0
; CHECK-NEXT: ret void
;
%cmp = icmp sgt i32 %clip_left, %span_left
%sub = sub nsw i32 %clip_left, %span_left
%cond = select i1 %cmp, i32 %sub, i32 0
%cmp83292 = icmp slt i32 %cond, undef
%sub2 = sub i32 %clip_left, %span_left
%sel2 = select i1 %cmp, i32 %sub2, i32 0
ret void
}
; This would cause an assert/crash because we matched
; a ValueTracking select pattern that required 'nsw'
; on an operand, but we remove that flag as part of
; CSE matching/hashing.
define i32 @PR41083_2(i32 %p) {
; CHECK-LABEL: @PR41083_2(
; CHECK-NEXT: [[S:%.*]] = sub i32 0, [[P:%.*]]
; CHECK-NEXT: [[A:%.*]] = ashr exact i32 [[S]], 2
; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 0, [[A]]
; CHECK-NEXT: [[SUB:%.*]] = sub i32 0, [[A]]
; CHECK-NEXT: [[SEL:%.*]] = select i1 [[CMP]], i32 [[SUB]], i32 0
; CHECK-NEXT: [[M:%.*]] = mul i32 [[SEL]], [[SUB]]
; CHECK-NEXT: ret i32 [[M]]
;
%s = sub i32 0, %p
%a = ashr exact i32 %s, 2
%cmp = icmp sgt i32 0, %a
%sub = sub nsw i32 0, %a
%sel = select i1 %cmp, i32 %sub, i32 0
%s2 = sub i32 0, %a
%m = mul i32 %sel, %s2
ret i32 %m
}
define float @maxnum(float %a, float %b) {
; CHECK-LABEL: @maxnum(
; CHECK-NEXT: [[X:%.*]] = call float @llvm.maxnum.f32(float [[A:%.*]], float [[B:%.*]])
; CHECK-NEXT: ret float 1.000000e+00
;
%x = call float @llvm.maxnum.f32(float %a, float %b)
%y = call float @llvm.maxnum.f32(float %b, float %a)
%r = fdiv nnan float %x, %y
ret float %r
}
define <2 x float> @minnum(<2 x float> %a, <2 x float> %b) {
; CHECK-LABEL: @minnum(
; CHECK-NEXT: [[X:%.*]] = call fast <2 x float> @llvm.minnum.v2f32(<2 x float> [[A:%.*]], <2 x float> [[B:%.*]])
; CHECK-NEXT: ret <2 x float> <float 1.000000e+00, float 1.000000e+00>
;
%x = call fast <2 x float> @llvm.minnum.v2f32(<2 x float> %a, <2 x float> %b)
%y = call fast <2 x float> @llvm.minnum.v2f32(<2 x float> %b, <2 x float> %a)
%r = fdiv nnan <2 x float> %x, %y
ret <2 x float> %r
}
define <2 x double> @maximum(<2 x double> %a, <2 x double> %b) {
; CHECK-LABEL: @maximum(
; CHECK-NEXT: [[X:%.*]] = call <2 x double> @llvm.maximum.v2f64(<2 x double> [[A:%.*]], <2 x double> [[B:%.*]])
; CHECK-NEXT: ret <2 x double> <double 1.000000e+00, double 1.000000e+00>
;
%x = call fast <2 x double> @llvm.maximum.v2f64(<2 x double> %a, <2 x double> %b)
%y = call <2 x double> @llvm.maximum.v2f64(<2 x double> %b, <2 x double> %a)
%r = fdiv nnan <2 x double> %x, %y
ret <2 x double> %r
}
define double @minimum(double %a, double %b) {
; CHECK-LABEL: @minimum(
; CHECK-NEXT: [[X:%.*]] = call double @llvm.minimum.f64(double [[A:%.*]], double [[B:%.*]])
; CHECK-NEXT: ret double 1.000000e+00
;
%x = call nsz double @llvm.minimum.f64(double %a, double %b)
%y = call ninf double @llvm.minimum.f64(double %b, double %a)
%r = fdiv nnan double %x, %y
ret double %r
}
define i16 @sadd_ov(i16 %a, i16 %b) {
; CHECK-LABEL: @sadd_ov(
; CHECK-NEXT: [[X:%.*]] = call { i16, i1 } @llvm.sadd.with.overflow.i16(i16 [[A:%.*]], i16 [[B:%.*]])
; CHECK-NEXT: [[X1:%.*]] = extractvalue { i16, i1 } [[X]], 0
; CHECK-NEXT: ret i16 [[X1]]
;
%x = call {i16, i1} @llvm.sadd.with.overflow.i16(i16 %a, i16 %b)
%y = call {i16, i1} @llvm.sadd.with.overflow.i16(i16 %b, i16 %a)
%x1 = extractvalue {i16, i1} %x, 0
%y1 = extractvalue {i16, i1} %y, 0
%o = or i16 %x1, %y1
ret i16 %o
}
define <5 x i65> @uadd_ov(<5 x i65> %a, <5 x i65> %b) {
; CHECK-LABEL: @uadd_ov(
; CHECK-NEXT: [[X:%.*]] = call { <5 x i65>, <5 x i1> } @llvm.uadd.with.overflow.v5i65(<5 x i65> [[A:%.*]], <5 x i65> [[B:%.*]])
; CHECK-NEXT: [[X1:%.*]] = extractvalue { <5 x i65>, <5 x i1> } [[X]], 0
; CHECK-NEXT: ret <5 x i65> [[X1]]
;
%x = call {<5 x i65>, <5 x i1>} @llvm.uadd.with.overflow.v5i65(<5 x i65> %a, <5 x i65> %b)
%y = call {<5 x i65>, <5 x i1>} @llvm.uadd.with.overflow.v5i65(<5 x i65> %b, <5 x i65> %a)
%x1 = extractvalue {<5 x i65>, <5 x i1>} %x, 0
%y1 = extractvalue {<5 x i65>, <5 x i1>} %y, 0
%o = or <5 x i65> %x1, %y1
ret <5 x i65> %o
}
define i37 @smul_ov(i37 %a, i37 %b) {
; CHECK-LABEL: @smul_ov(
; CHECK-NEXT: [[X:%.*]] = call { i37, i1 } @llvm.smul.with.overflow.i37(i37 [[A:%.*]], i37 [[B:%.*]])
; CHECK-NEXT: [[X1:%.*]] = extractvalue { i37, i1 } [[X]], 0
; CHECK-NEXT: ret i37 [[X1]]
;
%x = call {i37, i1} @llvm.smul.with.overflow.i37(i37 %a, i37 %b)
%y = call {i37, i1} @llvm.smul.with.overflow.i37(i37 %b, i37 %a)
%x1 = extractvalue {i37, i1} %x, 0
%y1 = extractvalue {i37, i1} %y, 0
%o = or i37 %x1, %y1
ret i37 %o
}
define <2 x i31> @umul_ov(<2 x i31> %a, <2 x i31> %b) {
; CHECK-LABEL: @umul_ov(
; CHECK-NEXT: [[X:%.*]] = call { <2 x i31>, <2 x i1> } @llvm.umul.with.overflow.v2i31(<2 x i31> [[A:%.*]], <2 x i31> [[B:%.*]])
; CHECK-NEXT: [[X1:%.*]] = extractvalue { <2 x i31>, <2 x i1> } [[X]], 0
; CHECK-NEXT: ret <2 x i31> [[X1]]
;
%x = call {<2 x i31>, <2 x i1>} @llvm.umul.with.overflow.v2i31(<2 x i31> %a, <2 x i31> %b)
%y = call {<2 x i31>, <2 x i1>} @llvm.umul.with.overflow.v2i31(<2 x i31> %b, <2 x i31> %a)
%x1 = extractvalue {<2 x i31>, <2 x i1>} %x, 0
%y1 = extractvalue {<2 x i31>, <2 x i1>} %y, 0
%o = or <2 x i31> %x1, %y1
ret <2 x i31> %o
}
define i64 @sadd_sat(i64 %a, i64 %b) {
; CHECK-LABEL: @sadd_sat(
; CHECK-NEXT: [[X:%.*]] = call i64 @llvm.sadd.sat.i64(i64 [[A:%.*]], i64 [[B:%.*]])
; CHECK-NEXT: ret i64 [[X]]
;
%x = call i64 @llvm.sadd.sat.i64(i64 %a, i64 %b)
%y = call i64 @llvm.sadd.sat.i64(i64 %b, i64 %a)
%o = or i64 %x, %y
ret i64 %o
}
define <2 x i64> @uadd_sat(<2 x i64> %a, <2 x i64> %b) {
; CHECK-LABEL: @uadd_sat(
; CHECK-NEXT: [[X:%.*]] = call <2 x i64> @llvm.uadd.sat.v2i64(<2 x i64> [[A:%.*]], <2 x i64> [[B:%.*]])
; CHECK-NEXT: ret <2 x i64> [[X]]
;
%x = call <2 x i64> @llvm.uadd.sat.v2i64(<2 x i64> %a, <2 x i64> %b)
%y = call <2 x i64> @llvm.uadd.sat.v2i64(<2 x i64> %b, <2 x i64> %a)
%o = or <2 x i64> %x, %y
ret <2 x i64> %o
}
define <2 x i64> @smax(<2 x i64> %a, <2 x i64> %b) {
; CHECK-LABEL: @smax(
; CHECK-NEXT: [[X:%.*]] = call <2 x i64> @llvm.smax.v2i64(<2 x i64> [[A:%.*]], <2 x i64> [[B:%.*]])
; CHECK-NEXT: ret <2 x i64> [[X]]
;
%x = call <2 x i64> @llvm.smax.v2i64(<2 x i64> %a, <2 x i64> %b)
%y = call <2 x i64> @llvm.smax.v2i64(<2 x i64> %b, <2 x i64> %a)
%o = or <2 x i64> %x, %y
ret <2 x i64> %o
}
define i4 @smin(i4 %a, i4 %b) {
; CHECK-LABEL: @smin(
; CHECK-NEXT: [[X:%.*]] = call i4 @llvm.smin.i4(i4 [[A:%.*]], i4 [[B:%.*]])
; CHECK-NEXT: ret i4 [[X]]
;
%x = call i4 @llvm.smin.i4(i4 %a, i4 %b)
%y = call i4 @llvm.smin.i4(i4 %b, i4 %a)
%o = or i4 %x, %y
ret i4 %o
}
define i67 @umax(i67 %a, i67 %b) {
; CHECK-LABEL: @umax(
; CHECK-NEXT: [[X:%.*]] = call i67 @llvm.umax.i67(i67 [[A:%.*]], i67 [[B:%.*]])
; CHECK-NEXT: ret i67 [[X]]
;
%x = call i67 @llvm.umax.i67(i67 %a, i67 %b)
%y = call i67 @llvm.umax.i67(i67 %b, i67 %a)
%o = or i67 %x, %y
ret i67 %o
}
define <3 x i17> @umin(<3 x i17> %a, <3 x i17> %b) {
; CHECK-LABEL: @umin(
; CHECK-NEXT: [[X:%.*]] = call <3 x i17> @llvm.umin.v3i17(<3 x i17> [[A:%.*]], <3 x i17> [[B:%.*]])
; CHECK-NEXT: ret <3 x i17> [[X]]
;
%x = call <3 x i17> @llvm.umin.v3i17(<3 x i17> %a, <3 x i17> %b)
%y = call <3 x i17> @llvm.umin.v3i17(<3 x i17> %b, <3 x i17> %a)
%o = or <3 x i17> %x, %y
ret <3 x i17> %o
}
; Negative test - mismatched intrinsics
define i4 @smin_umin(i4 %a, i4 %b) {
; CHECK-LABEL: @smin_umin(
; CHECK-NEXT: [[X:%.*]] = call i4 @llvm.smin.i4(i4 [[A:%.*]], i4 [[B:%.*]])
; CHECK-NEXT: [[Y:%.*]] = call i4 @llvm.umin.i4(i4 [[B]], i4 [[A]])
; CHECK-NEXT: [[O:%.*]] = or i4 [[X]], [[Y]]
; CHECK-NEXT: ret i4 [[O]]
;
%x = call i4 @llvm.smin.i4(i4 %a, i4 %b)
%y = call i4 @llvm.umin.i4(i4 %b, i4 %a)
%o = or i4 %x, %y
ret i4 %o
}
; TODO: handle >2 args
define i16 @smul_fix(i16 %a, i16 %b) {
; CHECK-LABEL: @smul_fix(
; CHECK-NEXT: [[X:%.*]] = call i16 @llvm.smul.fix.i16(i16 [[A:%.*]], i16 [[B:%.*]], i32 3)
; CHECK-NEXT: [[Y:%.*]] = call i16 @llvm.smul.fix.i16(i16 [[B]], i16 [[A]], i32 3)
; CHECK-NEXT: [[O:%.*]] = or i16 [[X]], [[Y]]
; CHECK-NEXT: ret i16 [[O]]
;
%x = call i16 @llvm.smul.fix.i16(i16 %a, i16 %b, i32 3)
%y = call i16 @llvm.smul.fix.i16(i16 %b, i16 %a, i32 3)
%o = or i16 %x, %y
ret i16 %o
}
; TODO: handle >2 args
define i16 @umul_fix(i16 %a, i16 %b, i32 %s) {
; CHECK-LABEL: @umul_fix(
; CHECK-NEXT: [[X:%.*]] = call i16 @llvm.umul.fix.i16(i16 [[A:%.*]], i16 [[B:%.*]], i32 1)
; CHECK-NEXT: [[Y:%.*]] = call i16 @llvm.umul.fix.i16(i16 [[B]], i16 [[A]], i32 1)
; CHECK-NEXT: [[O:%.*]] = or i16 [[X]], [[Y]]
; CHECK-NEXT: ret i16 [[O]]
;
%x = call i16 @llvm.umul.fix.i16(i16 %a, i16 %b, i32 1)
%y = call i16 @llvm.umul.fix.i16(i16 %b, i16 %a, i32 1)
%o = or i16 %x, %y
ret i16 %o
}
; TODO: handle >2 args
define <3 x i16> @smul_fix_sat(<3 x i16> %a, <3 x i16> %b) {
; CHECK-LABEL: @smul_fix_sat(
; CHECK-NEXT: [[X:%.*]] = call <3 x i16> @llvm.smul.fix.sat.v3i16(<3 x i16> [[A:%.*]], <3 x i16> [[B:%.*]], i32 2)
; CHECK-NEXT: [[Y:%.*]] = call <3 x i16> @llvm.smul.fix.sat.v3i16(<3 x i16> [[B]], <3 x i16> [[A]], i32 2)
; CHECK-NEXT: [[O:%.*]] = or <3 x i16> [[X]], [[Y]]
; CHECK-NEXT: ret <3 x i16> [[O]]
;
%x = call <3 x i16> @llvm.smul.fix.sat.v3i16(<3 x i16> %a, <3 x i16> %b, i32 2)
%y = call <3 x i16> @llvm.smul.fix.sat.v3i16(<3 x i16> %b, <3 x i16> %a, i32 2)
%o = or <3 x i16> %x, %y
ret <3 x i16> %o
}
; TODO: handle >2 args
define <3 x i16> @umul_fix_sat(<3 x i16> %a, <3 x i16> %b) {
; CHECK-LABEL: @umul_fix_sat(
; CHECK-NEXT: [[X:%.*]] = call <3 x i16> @llvm.umul.fix.sat.v3i16(<3 x i16> [[A:%.*]], <3 x i16> [[B:%.*]], i32 3)
; CHECK-NEXT: [[Y:%.*]] = call <3 x i16> @llvm.umul.fix.sat.v3i16(<3 x i16> [[B]], <3 x i16> [[A]], i32 3)
; CHECK-NEXT: [[O:%.*]] = or <3 x i16> [[X]], [[Y]]
; CHECK-NEXT: ret <3 x i16> [[O]]
;
%x = call <3 x i16> @llvm.umul.fix.sat.v3i16(<3 x i16> %a, <3 x i16> %b, i32 3)
%y = call <3 x i16> @llvm.umul.fix.sat.v3i16(<3 x i16> %b, <3 x i16> %a, i32 3)
%o = or <3 x i16> %x, %y
ret <3 x i16> %o
}
define i16 @umul_smul_fix(i16 %a, i16 %b, i32 %s) {
; CHECK-LABEL: @umul_smul_fix(
; CHECK-NEXT: [[X:%.*]] = call i16 @llvm.umul.fix.i16(i16 [[A:%.*]], i16 [[B:%.*]], i32 1)
; CHECK-NEXT: [[Y:%.*]] = call i16 @llvm.smul.fix.i16(i16 [[B]], i16 [[A]], i32 1)
; CHECK-NEXT: [[O:%.*]] = or i16 [[X]], [[Y]]
; CHECK-NEXT: ret i16 [[O]]
;
%x = call i16 @llvm.umul.fix.i16(i16 %a, i16 %b, i32 1)
%y = call i16 @llvm.smul.fix.i16(i16 %b, i16 %a, i32 1)
%o = or i16 %x, %y
ret i16 %o
}
define i16 @umul_fix_scale(i16 %a, i16 %b, i32 %s) {
; CHECK-LABEL: @umul_fix_scale(
; CHECK-NEXT: [[X:%.*]] = call i16 @llvm.umul.fix.i16(i16 [[A:%.*]], i16 [[B:%.*]], i32 1)
; CHECK-NEXT: [[Y:%.*]] = call i16 @llvm.umul.fix.i16(i16 [[B]], i16 [[A]], i32 2)
; CHECK-NEXT: [[O:%.*]] = or i16 [[X]], [[Y]]
; CHECK-NEXT: ret i16 [[O]]
;
%x = call i16 @llvm.umul.fix.i16(i16 %a, i16 %b, i32 1)
%y = call i16 @llvm.umul.fix.i16(i16 %b, i16 %a, i32 2)
%o = or i16 %x, %y
ret i16 %o
}
; TODO: handle >2 args
define float @fma(float %a, float %b, float %c) {
; CHECK-LABEL: @fma(
; CHECK-NEXT: [[X:%.*]] = call float @llvm.fma.f32(float [[A:%.*]], float [[B:%.*]], float [[C:%.*]])
; CHECK-NEXT: [[Y:%.*]] = call float @llvm.fma.f32(float [[B]], float [[A]], float [[C]])
; CHECK-NEXT: [[R:%.*]] = fdiv nnan float [[X]], [[Y]]
; CHECK-NEXT: ret float [[R]]
;
%x = call float @llvm.fma.f32(float %a, float %b, float %c)
%y = call float @llvm.fma.f32(float %b, float %a, float %c)
%r = fdiv nnan float %x, %y
ret float %r
}
define float @fma_different_add_ops(float %a, float %b, float %c, float %d) {
; CHECK-LABEL: @fma_different_add_ops(
; CHECK-NEXT: [[X:%.*]] = call float @llvm.fma.f32(float [[A:%.*]], float [[B:%.*]], float [[C:%.*]])
; CHECK-NEXT: [[Y:%.*]] = call float @llvm.fma.f32(float [[B]], float [[A]], float [[D:%.*]])
; CHECK-NEXT: [[R:%.*]] = fdiv nnan float [[X]], [[Y]]
; CHECK-NEXT: ret float [[R]]
;
%x = call float @llvm.fma.f32(float %a, float %b, float %c)
%y = call float @llvm.fma.f32(float %b, float %a, float %d)
%r = fdiv nnan float %x, %y
ret float %r
}
; TODO: handle >2 args
define <2 x double> @fmuladd(<2 x double> %a, <2 x double> %b, <2 x double> %c) {
; CHECK-LABEL: @fmuladd(
; CHECK-NEXT: [[X:%.*]] = call <2 x double> @llvm.fmuladd.v2f64(<2 x double> [[A:%.*]], <2 x double> [[B:%.*]], <2 x double> [[C:%.*]])
; CHECK-NEXT: [[Y:%.*]] = call <2 x double> @llvm.fmuladd.v2f64(<2 x double> [[B]], <2 x double> [[A]], <2 x double> [[C]])
; CHECK-NEXT: [[R:%.*]] = fdiv nnan <2 x double> [[X]], [[Y]]
; CHECK-NEXT: ret <2 x double> [[R]]
;
%x = call <2 x double> @llvm.fmuladd.v2f64(<2 x double> %a, <2 x double> %b, <2 x double> %c)
%y = call <2 x double> @llvm.fmuladd.v2f64(<2 x double> %b, <2 x double> %a, <2 x double> %c)
%r = fdiv nnan <2 x double> %x, %y
ret <2 x double> %r
}
declare float @llvm.maxnum.f32(float, float)
declare <2 x float> @llvm.minnum.v2f32(<2 x float>, <2 x float>)
declare <2 x double> @llvm.maximum.v2f64(<2 x double>, <2 x double>)
declare double @llvm.minimum.f64(double, double)
declare {i16, i1} @llvm.sadd.with.overflow.i16(i16, i16)
declare {<5 x i65>, <5 x i1>} @llvm.uadd.with.overflow.v5i65(<5 x i65>, <5 x i65>)
declare {i37, i1} @llvm.smul.with.overflow.i37(i37, i37)
declare {<2 x i31>, <2 x i1>} @llvm.umul.with.overflow.v2i31(<2 x i31>, <2 x i31>)
declare i64 @llvm.sadd.sat.i64(i64, i64)
declare <2 x i64> @llvm.uadd.sat.v2i64(<2 x i64>, <2 x i64>)
declare <2 x i64> @llvm.smax.v2i64(<2 x i64>, <2 x i64>)
declare i4 @llvm.smin.i4(i4, i4)
declare i4 @llvm.umin.i4(i4, i4)
declare i67 @llvm.umax.i67(i67, i67)
declare <3 x i17> @llvm.umin.v3i17(<3 x i17>, <3 x i17>)
declare i16 @llvm.smul.fix.i16(i16, i16, i32)
declare i16 @llvm.umul.fix.i16(i16, i16, i32)
declare <3 x i16> @llvm.smul.fix.sat.v3i16(<3 x i16>, <3 x i16>, i32)
declare <3 x i16> @llvm.umul.fix.sat.v3i16(<3 x i16>, <3 x i16>, i32)
declare float @llvm.fma.f32(float, float, float)
declare <2 x double> @llvm.fmuladd.v2f64(<2 x double>, <2 x double>, <2 x double>)