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38 lines
2.3 KiB
LLVM
38 lines
2.3 KiB
LLVM
; RUN: opt -S -mtriple=amdgcn-- -amdgpu-lower-module-lds < %s | FileCheck %s
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; RUN: opt -S -mtriple=amdgcn-- -passes=amdgpu-lower-module-lds < %s | FileCheck %s
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; Check new struct is added to compiler.used and that the replaced variable is removed
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; CHECK: %llvm.amdgcn.module.lds.t = type { float }
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; CHECK: @ignored = addrspace(1) global i64 0
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; CHECK: @llvm.amdgcn.module.lds = internal addrspace(3) global %llvm.amdgcn.module.lds.t undef, align 8
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; CHECK-NOT: @tolower
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@tolower = addrspace(3) global float undef, align 8
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; A variable that is unchanged by pass
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@ignored = addrspace(1) global i64 0
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; @ignored still in list, @tolower removed, llvm.amdgcn.module.lds appended
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; Start with one value to replace and one to ignore in the .use list
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; @ignored still in list, @tolower removed
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; CHECK: @llvm.used = appending global [1 x i8*] [i8* addrspacecast (i8 addrspace(1)* bitcast (i64 addrspace(1)* @ignored to i8 addrspace(1)*) to i8*)], section "llvm.metadata"
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@llvm.used = appending global [2 x i8*] [i8* addrspacecast (i8 addrspace(3)* bitcast (float addrspace(3)* @tolower to i8 addrspace(3)*) to i8*), i8* addrspacecast (i8 addrspace(1)* bitcast (i64 addrspace(1)* @ignored to i8 addrspace(1)*) to i8*)], section "llvm.metadata"
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; @ignored still in list, @tolower removed, llvm.amdgcn.module.lds appended
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; CHECK: @llvm.compiler.used = appending global [2 x i8*] [i8* addrspacecast (i8 addrspace(1)* bitcast (i64 addrspace(1)* @ignored to i8 addrspace(1)*) to i8*), i8* addrspacecast (i8 addrspace(3)* bitcast (%llvm.amdgcn.module.lds.t addrspace(3)* @llvm.amdgcn.module.lds to i8 addrspace(3)*) to i8*)], section "llvm.metadata"
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@llvm.compiler.used = appending global [2 x i8*] [i8* addrspacecast (i8 addrspace(3)* bitcast (float addrspace(3)* @tolower to i8 addrspace(3)*) to i8*), i8* addrspacecast (i8 addrspace(1)* bitcast (i64 addrspace(1)* @ignored to i8 addrspace(1)*) to i8*)], section "llvm.metadata"
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; CHECK-LABEL: @func()
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; CHECK: %dec = atomicrmw fsub float addrspace(3)* getelementptr inbounds (%llvm.amdgcn.module.lds.t, %llvm.amdgcn.module.lds.t addrspace(3)* @llvm.amdgcn.module.lds, i32 0, i32 0), float 1.000000e+00 monotonic, align 8
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define void @func() {
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%dec = atomicrmw fsub float addrspace(3)* @tolower, float 1.0 monotonic
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%unused0 = atomicrmw add i64 addrspace(1)* @ignored, i64 1 monotonic
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ret void
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}
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