blob: 93cb9dc2176f1bdd6669e204e90178afa168aac4 [file] [log] [blame]
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instcombine -S | FileCheck %s
declare void @use(i32)
define i32 @testAdd(i32 %X, i32 %Y) {
; CHECK-LABEL: @testAdd(
; CHECK-NEXT: [[T:%.*]] = add i32 [[X:%.*]], [[Y:%.*]]
; CHECK-NEXT: ret i32 [[T]]
;
%t = add i32 %X, %Y
%tl = bitcast i32 %t to i32
ret i32 %tl
}
define i32 @and_sext_to_sel(i32 %x, i1 %y) {
; CHECK-LABEL: @and_sext_to_sel(
; CHECK-NEXT: [[R:%.*]] = select i1 [[Y:%.*]], i32 [[X:%.*]], i32 0
; CHECK-NEXT: ret i32 [[R]]
;
%sext = sext i1 %y to i32
%r = and i32 %sext, %x
ret i32 %r
}
define <2 x i32> @and_sext_to_sel_constant_vec(<2 x i1> %y) {
; CHECK-LABEL: @and_sext_to_sel_constant_vec(
; CHECK-NEXT: [[R:%.*]] = select <2 x i1> [[Y:%.*]], <2 x i32> <i32 42, i32 -7>, <2 x i32> zeroinitializer
; CHECK-NEXT: ret <2 x i32> [[R]]
;
%sext = sext <2 x i1> %y to <2 x i32>
%r = and <2 x i32> <i32 42, i32 -7>, %sext
ret <2 x i32> %r
}
define <2 x i32> @and_sext_to_sel_swap(<2 x i32> %px, <2 x i1> %y) {
; CHECK-LABEL: @and_sext_to_sel_swap(
; CHECK-NEXT: [[X:%.*]] = mul <2 x i32> [[PX:%.*]], [[PX]]
; CHECK-NEXT: [[R:%.*]] = select <2 x i1> [[Y:%.*]], <2 x i32> [[X]], <2 x i32> zeroinitializer
; CHECK-NEXT: ret <2 x i32> [[R]]
;
%x = mul <2 x i32> %px, %px ; thwart complexity-based canonicalization
%sext = sext <2 x i1> %y to <2 x i32>
%r = and <2 x i32> %x, %sext
ret <2 x i32> %r
}
define i32 @and_sext_to_sel_multi_use(i32 %x, i1 %y) {
; CHECK-LABEL: @and_sext_to_sel_multi_use(
; CHECK-NEXT: [[SEXT:%.*]] = sext i1 [[Y:%.*]] to i32
; CHECK-NEXT: call void @use(i32 [[SEXT]])
; CHECK-NEXT: [[R:%.*]] = and i32 [[SEXT]], [[X:%.*]]
; CHECK-NEXT: ret i32 [[R]]
;
%sext = sext i1 %y to i32
call void @use(i32 %sext)
%r = and i32 %sext, %x
ret i32 %r
}
define i32 @and_sext_to_sel_multi_use_constant_mask(i1 %y) {
; CHECK-LABEL: @and_sext_to_sel_multi_use_constant_mask(
; CHECK-NEXT: [[SEXT:%.*]] = sext i1 [[Y:%.*]] to i32
; CHECK-NEXT: call void @use(i32 [[SEXT]])
; CHECK-NEXT: [[R:%.*]] = select i1 [[Y]], i32 42, i32 0
; CHECK-NEXT: ret i32 [[R]]
;
%sext = sext i1 %y to i32
call void @use(i32 %sext)
%r = and i32 %sext, 42
ret i32 %r
}
define i32 @or_sext_to_sel(i32 %x, i1 %y) {
; CHECK-LABEL: @or_sext_to_sel(
; CHECK-NEXT: [[R:%.*]] = select i1 [[Y:%.*]], i32 -1, i32 [[X:%.*]]
; CHECK-NEXT: ret i32 [[R]]
;
%sext = sext i1 %y to i32
%r = or i32 %sext, %x
ret i32 %r
}
define <2 x i32> @or_sext_to_sel_constant_vec(<2 x i1> %y) {
; CHECK-LABEL: @or_sext_to_sel_constant_vec(
; CHECK-NEXT: [[R:%.*]] = select <2 x i1> [[Y:%.*]], <2 x i32> <i32 -1, i32 -1>, <2 x i32> <i32 42, i32 -7>
; CHECK-NEXT: ret <2 x i32> [[R]]
;
%sext = sext <2 x i1> %y to <2 x i32>
%r = or <2 x i32> <i32 42, i32 -7>, %sext
ret <2 x i32> %r
}
define <2 x i32> @or_sext_to_sel_swap(<2 x i32> %px, <2 x i1> %y) {
; CHECK-LABEL: @or_sext_to_sel_swap(
; CHECK-NEXT: [[X:%.*]] = mul <2 x i32> [[PX:%.*]], [[PX]]
; CHECK-NEXT: [[R:%.*]] = select <2 x i1> [[Y:%.*]], <2 x i32> <i32 -1, i32 -1>, <2 x i32> [[X]]
; CHECK-NEXT: ret <2 x i32> [[R]]
;
%x = mul <2 x i32> %px, %px ; thwart complexity-based canonicalization
%sext = sext <2 x i1> %y to <2 x i32>
%r = or <2 x i32> %x, %sext
ret <2 x i32> %r
}
define i32 @or_sext_to_sel_multi_use(i32 %x, i1 %y) {
; CHECK-LABEL: @or_sext_to_sel_multi_use(
; CHECK-NEXT: [[SEXT:%.*]] = sext i1 [[Y:%.*]] to i32
; CHECK-NEXT: call void @use(i32 [[SEXT]])
; CHECK-NEXT: [[R:%.*]] = or i32 [[SEXT]], [[X:%.*]]
; CHECK-NEXT: ret i32 [[R]]
;
%sext = sext i1 %y to i32
call void @use(i32 %sext)
%r = or i32 %sext, %x
ret i32 %r
}
define i32 @or_sext_to_sel_multi_use_constant_mask(i1 %y) {
; CHECK-LABEL: @or_sext_to_sel_multi_use_constant_mask(
; CHECK-NEXT: [[SEXT:%.*]] = sext i1 [[Y:%.*]] to i32
; CHECK-NEXT: call void @use(i32 [[SEXT]])
; CHECK-NEXT: [[R:%.*]] = select i1 [[Y]], i32 -1, i32 42
; CHECK-NEXT: ret i32 [[R]]
;
%sext = sext i1 %y to i32
call void @use(i32 %sext)
%r = or i32 %sext, 42
ret i32 %r
}
define i32 @xor_sext_to_sel(i32 %x, i1 %y) {
; CHECK-LABEL: @xor_sext_to_sel(
; CHECK-NEXT: [[SEXT:%.*]] = sext i1 [[Y:%.*]] to i32
; CHECK-NEXT: [[R:%.*]] = xor i32 [[SEXT]], [[X:%.*]]
; CHECK-NEXT: ret i32 [[R]]
;
%sext = sext i1 %y to i32
%r = xor i32 %sext, %x
ret i32 %r
}
define <2 x i32> @xor_sext_to_sel_constant_vec(<2 x i1> %y) {
; CHECK-LABEL: @xor_sext_to_sel_constant_vec(
; CHECK-NEXT: [[SEXT:%.*]] = sext <2 x i1> [[Y:%.*]] to <2 x i32>
; CHECK-NEXT: [[R:%.*]] = xor <2 x i32> [[SEXT]], <i32 42, i32 -7>
; CHECK-NEXT: ret <2 x i32> [[R]]
;
%sext = sext <2 x i1> %y to <2 x i32>
%r = xor <2 x i32> <i32 42, i32 -7>, %sext
ret <2 x i32> %r
}
define <2 x i32> @xor_sext_to_sel_swap(<2 x i32> %px, <2 x i1> %y) {
; CHECK-LABEL: @xor_sext_to_sel_swap(
; CHECK-NEXT: [[X:%.*]] = mul <2 x i32> [[PX:%.*]], [[PX]]
; CHECK-NEXT: [[SEXT:%.*]] = sext <2 x i1> [[Y:%.*]] to <2 x i32>
; CHECK-NEXT: [[R:%.*]] = xor <2 x i32> [[X]], [[SEXT]]
; CHECK-NEXT: ret <2 x i32> [[R]]
;
%x = mul <2 x i32> %px, %px ; thwart complexity-based canonicalization
%sext = sext <2 x i1> %y to <2 x i32>
%r = xor <2 x i32> %x, %sext
ret <2 x i32> %r
}
define i32 @xor_sext_to_sel_multi_use(i32 %x, i1 %y) {
; CHECK-LABEL: @xor_sext_to_sel_multi_use(
; CHECK-NEXT: [[SEXT:%.*]] = sext i1 [[Y:%.*]] to i32
; CHECK-NEXT: call void @use(i32 [[SEXT]])
; CHECK-NEXT: [[R:%.*]] = xor i32 [[SEXT]], [[X:%.*]]
; CHECK-NEXT: ret i32 [[R]]
;
%sext = sext i1 %y to i32
call void @use(i32 %sext)
%r = xor i32 %sext, %x
ret i32 %r
}
define i32 @xor_sext_to_sel_multi_use_constant_mask(i1 %y) {
; CHECK-LABEL: @xor_sext_to_sel_multi_use_constant_mask(
; CHECK-NEXT: [[SEXT:%.*]] = sext i1 [[Y:%.*]] to i32
; CHECK-NEXT: call void @use(i32 [[SEXT]])
; CHECK-NEXT: [[R:%.*]] = xor i32 [[SEXT]], 42
; CHECK-NEXT: ret i32 [[R]]
;
%sext = sext i1 %y to i32
call void @use(i32 %sext)
%r = xor i32 %sext, 42
ret i32 %r
}