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| author | Matt Arsenault <Matthew.Arsenault@amd.com> | 2013-07-20 04:09:00 +0000 |
|---|---|---|
| committer | Matt Arsenault <Matthew.Arsenault@amd.com> | 2013-07-20 04:09:00 +0000 |
| commit | ff29d235ed70d8d7aa03b2d9f9665d2b85f0e195 (patch) | |
| tree | e7a1c9eb19e40c81372f56cb4eaf6013c74963f0 /test/Transforms | |
| parent | 6cc16a04797b0d231405f4fb6ccd22a85269ad20 (diff) | |
| download | llvm-ff29d235ed70d8d7aa03b2d9f9665d2b85f0e195.tar.gz llvm-ff29d235ed70d8d7aa03b2d9f9665d2b85f0e195.tar.bz2 llvm-ff29d235ed70d8d7aa03b2d9f9665d2b85f0e195.tar.xz | |
Have InlineCost check constant fcmps
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186758 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms')
| -rw-r--r-- | test/Transforms/Inline/inline_constprop.ll | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/test/Transforms/Inline/inline_constprop.ll b/test/Transforms/Inline/inline_constprop.ll index 2371fbcf11..b59a270468 100644 --- a/test/Transforms/Inline/inline_constprop.ll +++ b/test/Transforms/Inline/inline_constprop.ll @@ -187,6 +187,37 @@ bb.false: ret i64 %y8 } +define float @caller6() { +; Check that we can constant-prop through fcmp instructions +; +; CHECK-LABEL: @caller6( +; CHECK-NOT: call +; CHECK: ret + %x = call float @callee6(float 42.0) + ret float %x +} + +define float @callee6(float %x) { + %icmp = fcmp ugt float %x, 42.0 + br i1 %icmp, label %bb.true, label %bb.false + +bb.true: + ; This block musn't be counted in the inline cost. + %x1 = fadd float %x, 1.0 + %x2 = fadd float %x1, 1.0 + %x3 = fadd float %x2, 1.0 + %x4 = fadd float %x3, 1.0 + %x5 = fadd float %x4, 1.0 + %x6 = fadd float %x5, 1.0 + %x7 = fadd float %x6, 1.0 + %x8 = fadd float %x7, 1.0 + ret float %x8 + +bb.false: + ret float %x +} + + define i32 @PR13412.main() { ; This is a somewhat complicated three layer subprogram that was reported to |