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0855695159
having OptimizeNone remove them again, just don't add them in the first place if the function already has OptimizeNone. Note that MinSize can still appear due to attributes on different declarations; a future patch will address that. llvm-svn: 224047
43 lines
1.5 KiB
C
43 lines
1.5 KiB
C
// RUN: %clang_cc1 -emit-llvm < %s > %t
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// RUN: FileCheck %s --check-prefix=PRESENT < %t
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// RUN: FileCheck %s --check-prefix=ABSENT < %t
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// RUN: %clang_cc1 -emit-llvm -Os < %s > %t
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// RUN: FileCheck %s --check-prefix=PRESENT < %t
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// RUN: FileCheck %s --check-prefix=OPTSIZE < %t
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// RUN: %clang_cc1 -emit-llvm -Oz < %s > %t
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// RUN: FileCheck %s --check-prefix=PRESENT < %t
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// RUN: FileCheck %s --check-prefix=MINSIZE < %t
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__attribute__((always_inline))
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int test2() { return 0; }
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// OPTSIZE: @test2{{.*}}[[ATTR2:#[0-9]+]]
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// MINSIZE: @test2{{.*}}[[ATTR2:#[0-9]+]]
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__attribute__((optnone))
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int test3() { return 0; }
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// PRESENT-DAG: @test3{{.*}}[[ATTR3:#[0-9]+]]
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__attribute__((optnone)) __attribute__((cold))
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int test4() { return test2(); }
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// PRESENT-DAG: @test4{{.*}}[[ATTR4:#[0-9]+]]
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// Also check that test2 is inlined into test4 (always_inline still works).
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// PRESENT-NOT: call i32 @test2
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// Check for both noinline and optnone on each optnone function.
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// PRESENT-DAG: attributes [[ATTR3]] = { {{.*}}noinline{{.*}}optnone{{.*}} }
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// PRESENT-DAG: attributes [[ATTR4]] = { {{.*}}noinline{{.*}}optnone{{.*}} }
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// Check that no 'optsize' or 'minsize' attributes appear.
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// ABSENT-NOT: optsize
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// ABSENT-NOT: minsize
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// With -Os, check that 'optsize' appears only on test2.
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// OPTSIZE-NOT: optsize
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// OPTSIZE: attributes [[ATTR2]] = { {{.*}}optsize{{.*}} }
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// OPTSIZE-NOT: optsize
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// With -Oz, check that 'minsize' appears only on test2.
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// MINSIZE-NOT: minsize
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// MINSIZE: attributes [[ATTR2]] = { {{.*}}minsize{{.*}} }
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// MINSIZE-NOT: minsize
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