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| author | Stephen Hines <srhines@google.com> | 2014-07-21 00:45:20 -0700 |
|---|---|---|
| committer | Stephen Hines <srhines@google.com> | 2014-07-25 00:48:57 -0700 |
| commit | cd81d94322a39503e4a3e87b6ee03d4fcb3465fb (patch) | |
| tree | 81b7dd2bb4370a392f31d332a566c903b5744764 /test/CodeGen/X86/fast-isel-select-cmp.ll | |
| parent | 0c5f13c0c4499eaf42ab5e9e2ceabd4e20e36861 (diff) | |
| download | external_llvm-cd81d94322a39503e4a3e87b6ee03d4fcb3465fb.zip external_llvm-cd81d94322a39503e4a3e87b6ee03d4fcb3465fb.tar.gz external_llvm-cd81d94322a39503e4a3e87b6ee03d4fcb3465fb.tar.bz2 | |
Update LLVM for rebase to r212749.
Includes a cherry-pick of:
r212948 - fixes a small issue with atomic calls
Change-Id: Ib97bd980b59f18142a69506400911a6009d9df18
Diffstat (limited to 'test/CodeGen/X86/fast-isel-select-cmp.ll')
| -rw-r--r-- | test/CodeGen/X86/fast-isel-select-cmp.ll | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/test/CodeGen/X86/fast-isel-select-cmp.ll b/test/CodeGen/X86/fast-isel-select-cmp.ll new file mode 100644 index 0000000..1af30e9 --- /dev/null +++ b/test/CodeGen/X86/fast-isel-select-cmp.ll @@ -0,0 +1,50 @@ +; RUN: llc < %s -O0 -mtriple=x86_64-apple-darwin10 | FileCheck %s + +; Test if we do not fold the cmp into select if the instructions are in +; different basic blocks. + +define i32 @select_cmp_cmov_i32(i32 %a, i32 %b) { +; CHECK-LABEL: select_cmp_cmov_i32 +; CHECK-LABEL: continue +; CHECK-NOT: cmp + %1 = icmp ult i32 %a, %b + br i1 %1, label %continue, label %exit + +continue: + %2 = select i1 %1, i32 %a, i32 %b + ret i32 %2 + +exit: + ret i32 -1 +} + +define float @select_fcmp_oeq_f32(float %a, float %b, float %c, float %d) { +; CHECK-LABEL: select_fcmp_oeq_f32 +; CHECK-LABEL: continue +; CHECK-NOT: cmp + %1 = fcmp oeq float %a, %b + br i1 %1, label %continue, label %exit + +continue: + %2 = select i1 %1, float %c, float %d + ret float %2 + +exit: + ret float -1.0 +} + +define float @select_fcmp_one_f32(float %a, float %b, float %c, float %d) { +; CHECK-LABEL: select_fcmp_one_f32 +; CHECK-LABEL: continue +; CHECK-NOT: ucomi + %1 = fcmp one float %a, %b + br i1 %1, label %continue, label %exit + +continue: + %2 = select i1 %1, float %c, float %d + ret float %2 + +exit: + ret float -1.0 +} + |