67 lines
4.3 KiB
C
67 lines
4.3 KiB
C
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// Tests for -fprofile-generate and -fprofile-use flag compatibility. These two
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// flags behave similarly to their GCC counterparts:
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//
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// -fprofile-generate Generates the profile file ./default.profraw
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// -fprofile-generate=<dir> Generates the profile file <dir>/default.profraw
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// -fprofile-use Uses the profile file ./default.profdata
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// -fprofile-use=<dir> Uses the profile file <dir>/default.profdata
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// -fprofile-use=<dir>/file Uses the profile file <dir>/file
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// RUN: %clang %s -c -S -o - -emit-llvm -fprofile-generate -fno-experimental-new-pass-manager | FileCheck -check-prefix=PROFILE-GEN %s
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// RUN: %clang %s -c -S -o - -emit-llvm -fprofile-generate -fexperimental-new-pass-manager | FileCheck -check-prefix=PROFILE-GEN %s
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// PROFILE-GEN: @__profc_main = {{(private|internal)}} global [2 x i64] zeroinitializer, section
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// PROFILE-GEN: @__profd_main =
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// Check that -fprofile-generate=/path/to generates /path/to/default.profraw
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// RUN: %clang %s -c -S -o - -emit-llvm -fprofile-generate=/path/to -fno-experimental-new-pass-manager | FileCheck -check-prefixes=PROFILE-GEN,PROFILE-GEN-EQ %s
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// RxUN: %clang %s -c -S -o - -emit-llvm -fprofile-generate=/path/to -fexperimental-new-pass-manager | FileCheck -check-prefixes=PROFILE-GEN,PROFILE-GEN-EQ %s
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// PROFILE-GEN-EQ: constant [{{.*}} x i8] c"/path/to{{/|\\\\}}{{.*}}\00"
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// Check that -fprofile-use=some/path reads some/path/default.profdata
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// This uses Clang FE format profile.
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// RUN: rm -rf %t.dir
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// RUN: mkdir -p %t.dir/some/path
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// RUN: llvm-profdata merge %S/Inputs/gcc-flag-compatibility.proftext -o %t.dir/some/path/default.profdata
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// RUN: %clang %s -o - -Xclang -disable-llvm-passes -emit-llvm -S -fprofile-use=%t.dir/some/path -fno-experimental-new-pass-manager | FileCheck -check-prefix=PROFILE-USE %s
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// RUN: %clang %s -o - -Xclang -disable-llvm-passes -emit-llvm -S -fprofile-use=%t.dir/some/path -fexperimental-new-pass-manager | FileCheck -check-prefix=PROFILE-USE %s
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// Check that -fprofile-use=some/path/file.prof reads some/path/file.prof
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// This uses Clang FE format profile.
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// RUN: rm -rf %t.dir
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// RUN: mkdir -p %t.dir/some/path
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// RUN: llvm-profdata merge %S/Inputs/gcc-flag-compatibility.proftext -o %t.dir/some/path/file.prof
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// RUN: %clang %s -o - -Xclang -disable-llvm-passes -emit-llvm -S -fprofile-use=%t.dir/some/path/file.prof -fno-experimental-new-pass-manager | FileCheck -check-prefix=PROFILE-USE %s
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// RUN: %clang %s -o - -Xclang -disable-llvm-passes -emit-llvm -S -fprofile-use=%t.dir/some/path/file.prof -fexperimental-new-pass-manager | FileCheck -check-prefix=PROFILE-USE %s
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// PROFILE-USE: = !{!"branch_weights", i32 101, i32 2}
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// Check that -fprofile-use=some/path reads some/path/default.profdata
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// This uses LLVM IR format profile.
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// RUN: rm -rf %t.dir
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// RUN: mkdir -p %t.dir/some/path
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// RUN: llvm-profdata merge %S/Inputs/gcc-flag-compatibility_IR.proftext -o %t.dir/some/path/default.profdata
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// RUN: %clang %s -o - -emit-llvm -S -fprofile-use=%t.dir/some/path -fno-experimental-new-pass-manager | FileCheck -check-prefix=PROFILE-USE-IR %s
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// RUN: %clang %s -o - -emit-llvm -S -fprofile-use=%t.dir/some/path -fexperimental-new-pass-manager | FileCheck -check-prefix=PROFILE-USE-IR %s
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// Check that -fprofile-use=some/path/file.prof reads some/path/file.prof
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// This uses LLVM IR format profile.
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// RUN: rm -rf %t.dir
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// RUN: mkdir -p %t.dir/some/path
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// RUN: llvm-profdata merge %S/Inputs/gcc-flag-compatibility_IR.proftext -o %t.dir/some/path/file.prof
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// RUN: %clang %s -o - -emit-llvm -S -fprofile-use=%t.dir/some/path/file.prof -fno-experimental-new-pass-manager | FileCheck -check-prefix=PROFILE-USE-IR %s
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// RUN: %clang %s -o - -emit-llvm -S -fprofile-use=%t.dir/some/path/file.prof -fexperimental-new-pass-manager | FileCheck -check-prefix=PROFILE-USE-IR %s
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//
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// RUN: llvm-profdata merge %S/Inputs/gcc-flag-compatibility_IR_entry.proftext -o %t.dir/some/path/file.prof
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// RUN: %clang %s -o - -emit-llvm -S -fprofile-use=%t.dir/some/path/file.prof -fno-experimental-new-pass-manager | FileCheck -check-prefix=PROFILE-USE-IR %s
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// RUN: %clang %s -o - -emit-llvm -S -fprofile-use=%t.dir/some/path/file.prof -fexperimental-new-pass-manager | FileCheck -check-prefix=PROFILE-USE-IR %s
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// PROFILE-USE-IR: = !{!"branch_weights", i32 100, i32 1}
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int X = 0;
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int main() {
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int i;
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for (i = 0; i < 100; i++)
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X += i;
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return 0;
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}
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