llvm-project/llvm/test/Transforms/InstCombine/udivrem-change-width.ll

22 lines
616 B
LLVM

; 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
}