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Diffstat (limited to 'test/Transforms/InstCombine/udivrem-change-width.ll')
| -rw-r--r-- | test/Transforms/InstCombine/udivrem-change-width.ll | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/udivrem-change-width.ll b/test/Transforms/InstCombine/udivrem-change-width.ll new file mode 100644 index 0000000..9983944 --- /dev/null +++ b/test/Transforms/InstCombine/udivrem-change-width.ll @@ -0,0 +1,21 @@ +; RUN: opt < %s -instcombine -S | not grep zext +; PR4548 + +target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128" + +define i8 @udiv_i8(i8 %a, i8 %b) nounwind { + %conv = zext i8 %a to i32 + %conv2 = zext i8 %b to i32 + %div = udiv i32 %conv, %conv2 + %conv3 = trunc i32 %div to i8 + ret i8 %conv3 +} + +define i8 @urem_i8(i8 %a, i8 %b) nounwind { + %conv = zext i8 %a to i32 + %conv2 = zext i8 %b to i32 + %div = urem i32 %conv, %conv2 + %conv3 = trunc i32 %div to i8 + ret i8 %conv3 +} + |