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; RUN: opt -S -passes='dxil-op-lower' -mtriple=dxil-pc-shadermodel6.3-library %s | FileCheck %s --check-prefixes=CHECK,CHECK-SM63
; RUN: opt -S -passes='dxil-op-lower' -mtriple=dxil-pc-shadermodel6.6-library %s | FileCheck %s --check-prefixes=CHECK,CHECK-SM66
; RUN: opt -S -dxil-prepare -dxil-embed -mtriple=dxil-pc-shadermodel6.6-library %s | FileCheck %s --check-prefixes=CHECK,CHECK-EMBED
; Lifetime intrinsics are not valid prior to shader model 6.6 and are instead
; replaced with undef stores, provided the validator version is 1.6 or greater
; The dxil-embed pass will remove lifetime intrinsics because they transformed
; in a way that is illegal in modern LLVM IR before serializing to DXIL bitcode.
; So we check that no bitcast or lifetime intrinsics remain after dxil-embed
; CHECK-LABEL: define void @test_legal_lifetime() {
; CHECK-NEXT: [[ACCUM_I_FLAT:%.*]] = alloca [1 x i32], align 4
; CHECK-NEXT: [[GEP:%.*]] = getelementptr i32, ptr [[ACCUM_I_FLAT]], i32 0
; CHECK-SM63-NEXT: store [1 x i32] undef, ptr [[ACCUM_I_FLAT]], align 4
; CHECK-SM66-NEXT: call void @llvm.lifetime.start.p0(i64 4, ptr nonnull [[ACCUM_I_FLAT]])
; CHECK-EMBED-NOT: bitcast
; CHECK-EMBED-NOT: lifetime
; CHECK-NEXT: store i32 0, ptr [[GEP]], align 4
; CHECK-SM63-NEXT: store [1 x i32] undef, ptr [[ACCUM_I_FLAT]], align 4
; CHECK-SM66-NEXT: call void @llvm.lifetime.end.p0(i64 4, ptr nonnull [[ACCUM_I_FLAT]])
; CHECK-EMBED-NOT: bitcast
; CHECK-EMBED-NOT: lifetime
; CHECK-NEXT: ret void
;
define void @test_legal_lifetime() {
%accum.i.flat = alloca [1 x i32], align 4
%gep = getelementptr i32, ptr %accum.i.flat, i32 0
call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %accum.i.flat)
store i32 0, ptr %gep, align 4
call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %accum.i.flat)
ret void
}
; Set the validator version to 1.6
!dx.valver = !{!0}
!0 = !{i32 1, i32 6}
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