blob: a64b7346d83618aef8c569a9e9b91d9d7255f0d0 [file] [log] [blame]
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes
; RUN: opt -S -passes=argpromotion < %s | FileCheck %s
; Test that we only promote arguments when the caller/callee have compatible
; function attrubtes.
target triple = "x86_64-unknown-linux-gnu"
define internal fastcc void @no_promote_avx2(ptr %arg, ptr readonly %arg1) #0 {
; CHECK-LABEL: define {{[^@]+}}@no_promote_avx2
; CHECK-SAME: (ptr [[ARG:%.*]], ptr readonly [[ARG1:%.*]])
; CHECK-NEXT: bb:
; CHECK-NEXT: [[TMP:%.*]] = load <4 x i64>, ptr [[ARG1]]
; CHECK-NEXT: store <4 x i64> [[TMP]], ptr [[ARG]]
; CHECK-NEXT: ret void
;
bb:
%tmp = load <4 x i64>, ptr %arg1
store <4 x i64> %tmp, ptr %arg
ret void
}
define void @no_promote(ptr %arg) #1 {
; CHECK-LABEL: define {{[^@]+}}@no_promote
; CHECK-SAME: (ptr [[ARG:%.*]])
; CHECK-NEXT: bb:
; CHECK-NEXT: [[TMP:%.*]] = alloca <4 x i64>, align 32
; CHECK-NEXT: [[TMP2:%.*]] = alloca <4 x i64>, align 32
; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr align 32 [[TMP]], i8 0, i64 32, i1 false)
; CHECK-NEXT: call fastcc void @no_promote_avx2(ptr [[TMP2]], ptr [[TMP]])
; CHECK-NEXT: [[TMP4:%.*]] = load <4 x i64>, ptr [[TMP2]], align 32
; CHECK-NEXT: store <4 x i64> [[TMP4]], ptr [[ARG]], align 2
; CHECK-NEXT: ret void
;
bb:
%tmp = alloca <4 x i64>, align 32
%tmp2 = alloca <4 x i64>, align 32
call void @llvm.memset.p0.i64(ptr align 32 %tmp, i8 0, i64 32, i1 false)
call fastcc void @no_promote_avx2(ptr %tmp2, ptr %tmp)
%tmp4 = load <4 x i64>, ptr %tmp2, align 32
store <4 x i64> %tmp4, ptr %arg, align 2
ret void
}
define internal fastcc void @promote_avx2(ptr %arg, ptr readonly %arg1) #0 {
; CHECK-LABEL: define {{[^@]+}}@promote_avx2
; CHECK-SAME: (ptr [[ARG:%.*]], <4 x i64> [[ARG1_VAL:%.*]])
; CHECK-NEXT: bb:
; CHECK-NEXT: store <4 x i64> [[ARG1_VAL]], ptr [[ARG]]
; CHECK-NEXT: ret void
;
bb:
%tmp = load <4 x i64>, ptr %arg1
store <4 x i64> %tmp, ptr %arg
ret void
}
define void @promote(ptr %arg) #0 {
; CHECK-LABEL: define {{[^@]+}}@promote
; CHECK-SAME: (ptr [[ARG:%.*]])
; CHECK-NEXT: bb:
; CHECK-NEXT: [[TMP:%.*]] = alloca <4 x i64>, align 32
; CHECK-NEXT: [[TMP2:%.*]] = alloca <4 x i64>, align 32
; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr align 32 [[TMP]], i8 0, i64 32, i1 false)
; CHECK-NEXT: [[TMP_VAL:%.*]] = load <4 x i64>, ptr [[TMP]]
; CHECK-NEXT: call fastcc void @promote_avx2(ptr [[TMP2]], <4 x i64> [[TMP_VAL]])
; CHECK-NEXT: [[TMP4:%.*]] = load <4 x i64>, ptr [[TMP2]], align 32
; CHECK-NEXT: store <4 x i64> [[TMP4]], ptr [[ARG]], align 2
; CHECK-NEXT: ret void
;
bb:
%tmp = alloca <4 x i64>, align 32
%tmp2 = alloca <4 x i64>, align 32
call void @llvm.memset.p0.i64(ptr align 32 %tmp, i8 0, i64 32, i1 false)
call fastcc void @promote_avx2(ptr %tmp2, ptr %tmp)
%tmp4 = load <4 x i64>, ptr %tmp2, align 32
store <4 x i64> %tmp4, ptr %arg, align 2
ret void
}
; Function Attrs: argmemonly nounwind
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1) #2
attributes #0 = { inlinehint norecurse nounwind uwtable "target-features"="+avx2" }
attributes #1 = { nounwind uwtable }
attributes #2 = { argmemonly nounwind }