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6aa9e9b41a
Amongst other, this will help LTO to correctly handle/honor files compiled with O0, helping debugging failures. It also seems in line with how we handle other options, like how -fnoinline adds the appropriate attribute as well. Differential Revision: https://reviews.llvm.org/D28404 llvm-svn: 304127
14 lines
478 B
C
14 lines
478 B
C
// RUN: %clang_cc1 -emit-llvm %s -o - | FileCheck %s -check-prefixes=CHECK,O0
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// RUN: %clang_cc1 -emit-llvm %s -o - -O1 -disable-llvm-passes | FileCheck %s -check-prefixes=CHECK,O1
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int test1() __attribute__((__cold__)) {
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return 42;
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// Check that we set the optsize attribute on the function.
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// CHECK: @test1{{.*}}[[ATTR:#[0-9]+]]
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// CHECK: ret
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}
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// O0: attributes [[ATTR]] = { {{.*}}cold{{.*}}optnone{{.*}} }
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// O1: attributes [[ATTR]] = { {{.*}}cold{{.*}}optsize{{.*}} }
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