| 1 | // RUN: %clang_cc1 -O2 -fprofile-sample-use=%S/Inputs/pgo-sample-thinlto-summary.prof %s -emit-llvm -o - 2>&1 | FileCheck %s -check-prefix=SAMPLEPGO |
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| 2 | // 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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| 3 | // RUN: %clang_cc1 -O2 -fexperimental-new-pass-manager -fprofile-sample-use=%S/Inputs/pgo-sample-thinlto-summary.prof %s -emit-llvm -o - 2>&1 | FileCheck %s -check-prefix=SAMPLEPGO |
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| 4 | // RUN: %clang_cc1 -O2 -fexperimental-new-pass-manager -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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| 5 | // Checks if hot call is inlined by normal compile, but not inlined by |
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| 6 | // thinlto compile. |
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| 7 | |
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| 8 | int baz(int); |
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| 9 | int g; |
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| 10 | |
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| 11 | void foo(int n) { |
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| 12 | for (int i = 0; i < n; i++) |
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| 13 | g += baz(i); |
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| 14 | } |
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| 15 | |
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| 16 | // SAMPLEPGO-LABEL: define {{(dso_local )?}}void @bar |
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| 17 | // THINLTO-LABEL: define {{(dso_local )?}}void @bar |
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| 18 | // SAMPLEPGO-NOT: call{{.*}}foo |
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| 19 | // THINLTO: call{{.*}}foo |
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| 20 | void bar(int n) { |
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| 21 | for (int i = 0; i < n; i++) |
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| 22 | foo(i); |
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| 23 | } |
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| 24 | |
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| 25 | // Checks if loop unroll is invoked by normal compile, but not thinlto compile. |
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| 26 | // SAMPLEPGO-LABEL: define {{(dso_local )?}}void @unroll |
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| 27 | // THINLTO-LABEL: define {{(dso_local )?}}void @unroll |
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| 28 | // SAMPLEPGO: call{{.*}}baz |
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| 29 | // SAMPLEPGO: call{{.*}}baz |
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| 30 | // THINLTO: call{{.*}}baz |
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| 31 | // THINLTO-NOT: call{{.*}}baz |
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| 32 | void unroll() { |
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| 33 | for (int i = 0; i < 2; i++) |
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| 34 | baz(i); |
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| 35 | } |
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| 36 | |
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| 37 | // Checks that icp is not invoked for ThinLTO, but invoked for normal samplepgo. |
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| 38 | // SAMPLEPGO-LABEL: define {{(dso_local )?}}void @icp |
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| 39 | // THINLTO-LABEL: define {{(dso_local )?}}void @icp |
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| 40 | // SAMPLEPGO: if.true.direct_targ |
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| 41 | // FIXME: the following condition needs to be reversed once |
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| 42 | // LTOPreLinkDefaultPipeline is customized. |
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| 43 | // THINLTO-NOT: if.true.direct_targ |
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| 44 | void icp(void (*p)()) { |
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| 45 | p(); |
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| 46 | } |
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| 47 | |
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