diff options
Diffstat (limited to 'llvm/test/Transforms/InstCombine/preserve-sminmax.ll')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/preserve-sminmax.ll | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/llvm/test/Transforms/InstCombine/preserve-sminmax.ll b/llvm/test/Transforms/InstCombine/preserve-sminmax.ll deleted file mode 100644 index 00232ccf318..00000000000 --- a/llvm/test/Transforms/InstCombine/preserve-sminmax.ll +++ /dev/null @@ -1,32 +0,0 @@ -; RUN: opt < %s -instcombine -S | FileCheck %s - -; Instcombine normally would fold the sdiv into the comparison, -; making "icmp slt i32 %h, 2", but in this case the sdiv has -; another use, so it wouldn't a big win, and it would also -; obfuscate an otherise obvious smax pattern to the point where -; other analyses wouldn't recognize it. - -define i32 @foo(i32 %h) { - %sd = sdiv i32 %h, 2 - %t = icmp slt i32 %sd, 1 - %r = select i1 %t, i32 %sd, i32 1 - ret i32 %r -} - -; CHECK: %sd = sdiv i32 %h, 2 -; CHECK: %t = icmp slt i32 %sd, 1 -; CHECK: %r = select i1 %t, i32 %sd, i32 1 -; CHECK: ret i32 %r - -define i32 @bar(i32 %h) { - %sd = sdiv i32 %h, 2 - %t = icmp sgt i32 %sd, 1 - %r = select i1 %t, i32 %sd, i32 1 - ret i32 %r -} - -; CHECK: %sd = sdiv i32 %h, 2 -; CHECK: %t = icmp sgt i32 %sd, 1 -; CHECK: %r = select i1 %t, i32 %sd, i32 1 -; CHECK: ret i32 %r - |
