derek.holloway
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52 lines
2.1 KiB
Common Lisp
52 lines
2.1 KiB
Common Lisp
// REQUIRES: amdgpu-registered-target
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// Test that by default, AMDGPU functions only emit delta target-features
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// (features that differ from the target CPU's defaults). This reduces IR bloat.
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// Default behavior for gfx90a: test_default has no target-features,
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// test_explicit_attr has only the delta (+gfx11-insts).
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// RUN: %clang_cc1 -triple amdgcn -target-cpu gfx90a -emit-llvm -o - %s | FileCheck --check-prefix=GFX90A %s
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// With -target-feature, both functions get the delta feature.
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// gfx1030 defaults to wavefrontsize32, so +wavefrontsize64 is a delta.
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// RUN: %clang_cc1 -triple amdgcn -target-cpu gfx1030 -target-feature +wavefrontsize64 -emit-llvm -o - %s | FileCheck --check-prefix=CMDLINE %s
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// GFX90A-LABEL: define {{.*}} @test_default()
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// GFX90A-SAME: #[[ATTR_DEFAULT:[0-9]+]]
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// GFX90A-LABEL: define {{.*}} @test_explicit_attr()
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// GFX90A-SAME: #[[ATTR_EXPLICIT:[0-9]+]]
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//
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// test_default should have target-cpu but NO target-features
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// GFX90A: attributes #[[ATTR_DEFAULT]] = {
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// GFX90A-SAME: "target-cpu"="gfx90a"
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// GFX90A-NOT: "target-features"
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// GFX90A-SAME: }
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//
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// test_explicit_attr should have target-cpu and ONLY the delta target-features
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// GFX90A: attributes #[[ATTR_EXPLICIT]] = {
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// GFX90A-SAME: "target-cpu"="gfx90a"
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// GFX90A-SAME: "target-features"="+gfx11-insts"
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// GFX90A-SAME: }
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// With -target-feature +wavefrontsize64, test_default gets just that delta,
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// test_explicit_attr gets both +gfx11-insts and +wavefrontsize64.
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// CMDLINE-LABEL: define {{.*}} @test_default()
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// CMDLINE-SAME: #[[ATTR_DEFAULT:[0-9]+]]
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// CMDLINE-LABEL: define {{.*}} @test_explicit_attr()
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// CMDLINE-SAME: #[[ATTR_EXPLICIT:[0-9]+]]
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//
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// CMDLINE: attributes #[[ATTR_DEFAULT]] = {
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// CMDLINE-SAME: "target-cpu"="gfx1030"
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// CMDLINE-SAME: "target-features"="+wavefrontsize64"
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// CMDLINE-SAME: }
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//
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// CMDLINE: attributes #[[ATTR_EXPLICIT]] = {
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// CMDLINE-SAME: "target-cpu"="gfx1030"
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// CMDLINE-SAME: "target-features"="{{[^"]*}}+gfx11-insts{{[^"]*}}+wavefrontsize64{{[^"]*}}"
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// CMDLINE-SAME: }
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kernel void test_default() {}
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__attribute__((target("gfx11-insts")))
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void test_explicit_attr() {}
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