diff options
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/cast.ll | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/cast.ll b/llvm/test/Transforms/InstCombine/cast.ll index 7bf4a6047f2..8a4a60e8753 100644 --- a/llvm/test/Transforms/InstCombine/cast.ll +++ b/llvm/test/Transforms/InstCombine/cast.ll @@ -1125,3 +1125,15 @@ define i1 @PR23309(i32 %A, i32 %B) { %trunc = trunc i32 %sub to i1 ret i1 %trunc } + +define i1 @PR23309v2(i32 %A, i32 %B) { +; CHECK-LABEL: @PR23309v2( +; CHECK-NEXT: %[[sub:.*]] = add i32 %A, %B +; CHECK-NEXT: %[[and:.*]] = and i32 %[[sub]], 1 +; CHECK-NEXT: %[[cmp:.*]] = icmp ne i32 %[[and]], 0 +; CHECK-NEXT: ret i1 %[[cmp]] + %add = add i32 %A, -4 + %sub = add nuw i32 %add, %B + %trunc = trunc i32 %sub to i1 + ret i1 %trunc +} |
