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1; RUN: opt -S -passes='dxil-op-lower' -mtriple=dxil-pc-shadermodel6.3-library %s | FileCheck %s --check-prefixes=CHECK,CHECK-SM632; RUN: opt -S -passes='dxil-op-lower' -mtriple=dxil-pc-shadermodel6.6-library %s | FileCheck %s --check-prefixes=CHECK,CHECK-SM663; RUN: opt -S -dxil-prepare -dxil-embed -mtriple=dxil-pc-shadermodel6.6-library %s | FileCheck %s --check-prefixes=CHECK,CHECK-EMBED4 5; Lifetime intrinsics are not valid prior to shader model 6.6 and are instead6; replaced with undef stores, provided the validator version is 1.6 or greater7 8; The dxil-embed pass will remove lifetime intrinsics because they transformed9; in a way that is illegal in modern LLVM IR before serializing to DXIL bitcode.10; So we check that no bitcast or lifetime intrinsics remain after dxil-embed11 12; CHECK-LABEL: define void @test_legal_lifetime() {13; CHECK-NEXT: [[ACCUM_I_FLAT:%.*]] = alloca [1 x i32], align 414; CHECK-NEXT: [[GEP:%.*]] = getelementptr i32, ptr [[ACCUM_I_FLAT]], i32 015; CHECK-SM63-NEXT: store [1 x i32] undef, ptr [[ACCUM_I_FLAT]], align 416; CHECK-SM66-NEXT: call void @llvm.lifetime.start.p0(ptr nonnull [[ACCUM_I_FLAT]])17; CHECK-EMBED-NOT: bitcast18; CHECK-EMBED-NOT: lifetime19; CHECK-NEXT: store i32 0, ptr [[GEP]], align 420; CHECK-SM63-NEXT: store [1 x i32] undef, ptr [[ACCUM_I_FLAT]], align 421; CHECK-SM66-NEXT: call void @llvm.lifetime.end.p0(ptr nonnull [[ACCUM_I_FLAT]])22; CHECK-EMBED-NOT: bitcast23; CHECK-EMBED-NOT: lifetime24; CHECK-NEXT: ret void25;26define void @test_legal_lifetime() {27 %accum.i.flat = alloca [1 x i32], align 428 %gep = getelementptr i32, ptr %accum.i.flat, i32 029 call void @llvm.lifetime.start.p0(ptr nonnull %accum.i.flat)30 store i32 0, ptr %gep, align 431 call void @llvm.lifetime.end.p0(ptr nonnull %accum.i.flat)32 ret void33}34 35; Set the validator version to 1.636!dx.valver = !{!0}37!0 = !{i32 1, i32 6}38