43 lines
1.5 KiB
C
43 lines
1.5 KiB
C
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// 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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