57 lines
2.9 KiB
LLVM
57 lines
2.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -O2 -S | FileCheck %s
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; RUN: opt < %s -passes='default<O2>' -S | FileCheck %s
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target triple = "x86_64--"
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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declare void @llvm.x86.avx.maskstore.ps.256(i8*, <8 x i32>, <8 x float>) #0
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declare void @llvm.masked.store.v8f32.p0v8f32(<8 x float>, <8 x float>*, i32, <8 x i1>)
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; PR11210: If we have been able to replace a AVX/AVX2 masked store with a
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; generic masked store intrinsic, then we should be able to remove dead
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; masked stores.
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define void @PR11210_v8f32_maskstore_maskstore(i8* %ptr, <8 x float> %x, <8 x float> %y, <8 x i32> %src) {
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; CHECK-LABEL: @PR11210_v8f32_maskstore_maskstore(
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; CHECK-NEXT: [[CMP:%.*]] = icmp sgt <8 x i32> [[SRC:%.*]], zeroinitializer
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; CHECK-NEXT: [[CASTVEC:%.*]] = bitcast i8* [[PTR:%.*]] to <8 x float>*
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; CHECK-NEXT: tail call void @llvm.masked.store.v8f32.p0v8f32(<8 x float> [[Y:%.*]], <8 x float>* [[CASTVEC]], i32 1, <8 x i1> [[CMP]])
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; CHECK-NEXT: ret void
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;
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%cmp = icmp sgt <8 x i32> %src, zeroinitializer
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%mask = sext <8 x i1> %cmp to <8 x i32>
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call void @llvm.x86.avx.maskstore.ps.256(i8* %ptr, <8 x i32> %mask, <8 x float> %x)
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call void @llvm.x86.avx.maskstore.ps.256(i8* %ptr, <8 x i32> %mask, <8 x float> %y)
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ret void
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}
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; The contents of %mask are unknown so we don't replace this with a generic masked.store.
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define void @PR11210_v8f32_maskstore_maskstore_raw_mask(i8* %ptr, <8 x float> %x, <8 x float> %y, <8 x i32> %mask) {
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; CHECK-LABEL: @PR11210_v8f32_maskstore_maskstore_raw_mask(
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; CHECK-NEXT: tail call void @llvm.x86.avx.maskstore.ps.256(i8* [[PTR:%.*]], <8 x i32> [[MASK:%.*]], <8 x float> [[X:%.*]])
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; CHECK-NEXT: tail call void @llvm.x86.avx.maskstore.ps.256(i8* [[PTR]], <8 x i32> [[MASK]], <8 x float> [[Y:%.*]])
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; CHECK-NEXT: ret void
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;
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call void @llvm.x86.avx.maskstore.ps.256(i8* %ptr, <8 x i32> %mask, <8 x float> %x)
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call void @llvm.x86.avx.maskstore.ps.256(i8* %ptr, <8 x i32> %mask, <8 x float> %y)
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ret void
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}
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; Mix AVX and generic masked stores.
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define void @PR11210_v8f32_mstore_maskstore(i8* %ptr, <8 x float> %x, <8 x float> %y, <8 x i32> %src) {
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; CHECK-LABEL: @PR11210_v8f32_mstore_maskstore(
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; CHECK-NEXT: [[CMP:%.*]] = icmp sgt <8 x i32> [[SRC:%.*]], zeroinitializer
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; CHECK-NEXT: [[PTRF:%.*]] = bitcast i8* [[PTR:%.*]] to <8 x float>*
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; CHECK-NEXT: tail call void @llvm.masked.store.v8f32.p0v8f32(<8 x float> [[Y:%.*]], <8 x float>* [[PTRF]], i32 1, <8 x i1> [[CMP]])
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; CHECK-NEXT: ret void
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;
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%cmp = icmp sgt <8 x i32> %src, zeroinitializer
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%mask = sext <8 x i1> %cmp to <8 x i32>
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%ptrf = bitcast i8* %ptr to <8 x float>*
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tail call void @llvm.masked.store.v8f32.p0v8f32(<8 x float> %x, <8 x float>* %ptrf, i32 1, <8 x i1> %cmp)
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call void @llvm.x86.avx.maskstore.ps.256(i8* %ptr, <8 x i32> %mask, <8 x float> %y)
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ret void
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}
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