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| author | Carlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au> | 2012-10-15 17:10:06 +1100 |
|---|---|---|
| committer | Carlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au> | 2012-10-15 17:10:06 +1100 |
| commit | be1de4be954c80875ad4108e0a33e8e131b2f2c0 (patch) | |
| tree | 1fbbecf276bf7c7bdcbb4dd446099d6d90eaa516 /clang/test/CodeGen/count-builtins.c | |
| parent | c4626a62754862d20b41e8a46a3574264ea80e6d (diff) | |
| parent | f1bd2e48c5324d3f7cda4090c87f8a5b6f463ce2 (diff) | |
Merge branch 'master' of ssh://bitbucket.org/czan/honours
Diffstat (limited to 'clang/test/CodeGen/count-builtins.c')
| -rw-r--r-- | clang/test/CodeGen/count-builtins.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/clang/test/CodeGen/count-builtins.c b/clang/test/CodeGen/count-builtins.c new file mode 100644 index 0000000..e6133c5 --- /dev/null +++ b/clang/test/CodeGen/count-builtins.c @@ -0,0 +1,33 @@ +// RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s + +int leading, trailing, pop; + +void test_i16(short P) { + leading = __builtin_clzs(P); + trailing = __builtin_ctzs(P); + +// CHECK: @test_i16 +// CHECK: call i16 @llvm.ctlz.i16 +// CHECK: call i16 @llvm.cttz.i16 +} + +void test_i32(int P) { + leading = __builtin_clz(P); + trailing = __builtin_ctz(P); + pop = __builtin_popcount(P); + +// CHECK: @test_i32 +// CHECK: call i32 @llvm.ctlz.i32 +// CHECK: call i32 @llvm.cttz.i32 +// CHECK: call i32 @llvm.ctpop.i32 +} + +void test_i64(float P) { + leading = __builtin_clzll(P); + trailing = __builtin_ctzll(P); + pop = __builtin_popcountll(P); +// CHECK: @test_i64 +// CHECK: call i64 @llvm.ctlz.i64 +// CHECK: call i64 @llvm.cttz.i64 +// CHECK: call i64 @llvm.ctpop.i64 +} |