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a502a514d2
This patch introduces a pass that uses the Attributor to deduce AMDGPU specific attributes. Reviewed By: jdoerfert, arsenm Differential Revision: https://reviews.llvm.org/D104997
69 lines
2.3 KiB
LLVM
69 lines
2.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-globals
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; RUN: opt -S -mtriple=amdgcn-amd- -amdgpu-annotate-kernel-features < %s | FileCheck -check-prefixes=AKF_CHECK %s
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; RUN: opt -S -mtriple=amdgcn-amd- -amdgpu-attributor < %s | FileCheck -check-prefixes=ATTRIBUTOR_CHECK %s
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; Test to verify if the attribute gets propagated across nested function calls
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; Added to prevent Attributor from deleting calls.
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@x = global i32 0
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;.
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; AKF_CHECK: @[[X:[a-zA-Z0-9_$"\\.-]+]] = global i32 0
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;.
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; ATTRIBUTOR_CHECK: @[[X:[a-zA-Z0-9_$"\\.-]+]] = global i32 0
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;.
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define void @func1() #0 {
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; AKF_CHECK-LABEL: define {{[^@]+}}@func1
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; AKF_CHECK-SAME: () #[[ATTR0:[0-9]+]] {
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; AKF_CHECK-NEXT: store i32 0, i32* @x, align 4
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; AKF_CHECK-NEXT: ret void
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;
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; ATTRIBUTOR_CHECK-LABEL: define {{[^@]+}}@func1
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; ATTRIBUTOR_CHECK-SAME: () #[[ATTR0:[0-9]+]] {
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; ATTRIBUTOR_CHECK-NEXT: store i32 0, i32* @x, align 4
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; ATTRIBUTOR_CHECK-NEXT: ret void
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;
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store i32 0, i32* @x
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ret void
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}
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define void @func2() #1 {
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; AKF_CHECK-LABEL: define {{[^@]+}}@func2
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; AKF_CHECK-SAME: () #[[ATTR0]] {
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; AKF_CHECK-NEXT: call void @func1()
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; AKF_CHECK-NEXT: ret void
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;
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; ATTRIBUTOR_CHECK-LABEL: define {{[^@]+}}@func2
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; ATTRIBUTOR_CHECK-SAME: () #[[ATTR0]] {
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; ATTRIBUTOR_CHECK-NEXT: call void @func1() #[[ATTR2:[0-9]+]]
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; ATTRIBUTOR_CHECK-NEXT: ret void
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;
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call void @func1()
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ret void
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}
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define amdgpu_kernel void @kernel3() #2 {
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; AKF_CHECK-LABEL: define {{[^@]+}}@kernel3
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; AKF_CHECK-SAME: () #[[ATTR1:[0-9]+]] {
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; AKF_CHECK-NEXT: call void @func2()
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; AKF_CHECK-NEXT: ret void
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;
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; ATTRIBUTOR_CHECK-LABEL: define {{[^@]+}}@kernel3
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; ATTRIBUTOR_CHECK-SAME: () #[[ATTR1:[0-9]+]] {
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; ATTRIBUTOR_CHECK-NEXT: call void @func2() #[[ATTR2]]
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; ATTRIBUTOR_CHECK-NEXT: ret void
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;
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call void @func2()
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ret void
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}
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attributes #2 = { "uniform-work-group-size"="true" }
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;.
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; AKF_CHECK: attributes #[[ATTR0]] = { "uniform-work-group-size"="true" }
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; AKF_CHECK: attributes #[[ATTR1]] = { "amdgpu-calls" "uniform-work-group-size"="true" }
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;.
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; ATTRIBUTOR_CHECK: attributes #[[ATTR0]] = { nounwind writeonly "uniform-work-group-size"="false" }
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; ATTRIBUTOR_CHECK: attributes #[[ATTR1]] = { "amdgpu-calls" "uniform-work-group-size"="true" }
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; ATTRIBUTOR_CHECK: attributes #[[ATTR2]] = { nounwind writeonly }
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;.
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