forked from OSchip/llvm-project
43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
// RUN: %clang_cc1 -O2 -fprofile-sample-use=%S/Inputs/pgo-sample-thinlto-summary.prof %s -emit-llvm -o - 2>&1 | FileCheck %s -check-prefix=O2
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// RUN: %clang_cc1 -O2 -fprofile-sample-use=%S/Inputs/pgo-sample-thinlto-summary.prof %s -emit-llvm -flto=thin -o - 2>&1 | FileCheck %s -check-prefix=THINLTO
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// Checks if hot call is inlined by normal compile, but not inlined by
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// thinlto compile.
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int baz(int);
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int g;
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void foo(int n) {
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for (int i = 0; i < n; i++)
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g += baz(i);
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}
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// O2-LABEL: define void @bar
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// THINLTO-LABEL: define void @bar
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// O2-NOT: call{{.*}}foo
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// THINLTO: call{{.*}}foo
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void bar(int n) {
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for (int i = 0; i < n; i++)
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foo(i);
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}
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// Checks if loop unroll is invoked by normal compile, but not thinlto compile.
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// O2-LABEL: define void @unroll
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// THINLTO-LABEL: define void @unroll
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// O2: call{{.*}}baz
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// O2: call{{.*}}baz
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// THINLTO: call{{.*}}baz
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// THINLTO-NOT: call{{.*}}baz
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void unroll() {
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for (int i = 0; i < 2; i++)
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baz(i);
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}
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// Check that icp is not invoked (both -O2 and ThinLTO).
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// O2-LABEL: define void @icp
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// THINLTO-LABEL: define void @icp
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// O2-NOT: if.true.direct_targ
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// ThinLTO-NOT: if.true.direct_targ
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void icp(void (*p)()) {
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p();
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}
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