forked from OSchip/llvm-project
63 lines
1.5 KiB
LLVM
63 lines
1.5 KiB
LLVM
; RUN: opt < %s -instcombine -S | FileCheck %s
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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"
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; PR4548
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define i8 @udiv_i8(i8 %a, i8 %b) nounwind {
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%conv = zext i8 %a to i32
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%conv2 = zext i8 %b to i32
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%div = udiv i32 %conv, %conv2
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%conv3 = trunc i32 %div to i8
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ret i8 %conv3
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; CHECK-LABEL: @udiv_i8(
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; CHECK: udiv i8 %a, %b
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}
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define i8 @urem_i8(i8 %a, i8 %b) nounwind {
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%conv = zext i8 %a to i32
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%conv2 = zext i8 %b to i32
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%div = urem i32 %conv, %conv2
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%conv3 = trunc i32 %div to i8
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ret i8 %conv3
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; CHECK-LABEL: @urem_i8(
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; CHECK: urem i8 %a, %b
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}
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define i32 @udiv_i32(i8 %a, i8 %b) nounwind {
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%conv = zext i8 %a to i32
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%conv2 = zext i8 %b to i32
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%div = udiv i32 %conv, %conv2
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ret i32 %div
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; CHECK-LABEL: @udiv_i32(
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; CHECK: udiv i8 %a, %b
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; CHECK: zext
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}
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define i32 @urem_i32(i8 %a, i8 %b) nounwind {
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%conv = zext i8 %a to i32
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%conv2 = zext i8 %b to i32
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%div = urem i32 %conv, %conv2
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ret i32 %div
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; CHECK-LABEL: @urem_i32(
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; CHECK: urem i8 %a, %b
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; CHECK: zext
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}
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define i32 @udiv_i32_c(i8 %a) nounwind {
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%conv = zext i8 %a to i32
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%div = udiv i32 %conv, 10
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ret i32 %div
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; CHECK-LABEL: @udiv_i32_c(
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; CHECK: udiv i8 %a, 10
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; CHECK: zext
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}
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define i32 @urem_i32_c(i8 %a) nounwind {
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%conv = zext i8 %a to i32
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%div = urem i32 %conv, 10
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ret i32 %div
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; CHECK-LABEL: @urem_i32_c(
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; CHECK: urem i8 %a, 10
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; CHECK: zext
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}
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