1 ; RUN: opt < %s -instcombine -S | FileCheck %s 2 3 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" 4 5 ; PR4548 6 define i8 @udiv_i8(i8 %a, i8 %b) nounwind { 7 %conv = zext i8 %a to i32 8 %conv2 = zext i8 %b to i32 9 %div = udiv i32 %conv, %conv2 10 %conv3 = trunc i32 %div to i8 11 ret i8 %conv3 12 ; CHECK-LABEL: @udiv_i8( 13 ; CHECK: udiv i8 %a, %b 14 } 15 16 define i8 @urem_i8(i8 %a, i8 %b) nounwind { 17 %conv = zext i8 %a to i32 18 %conv2 = zext i8 %b to i32 19 %div = urem i32 %conv, %conv2 20 %conv3 = trunc i32 %div to i8 21 ret i8 %conv3 22 ; CHECK-LABEL: @urem_i8( 23 ; CHECK: urem i8 %a, %b 24 } 25 26 define i32 @udiv_i32(i8 %a, i8 %b) nounwind { 27 %conv = zext i8 %a to i32 28 %conv2 = zext i8 %b to i32 29 %div = udiv i32 %conv, %conv2 30 ret i32 %div 31 ; CHECK-LABEL: @udiv_i32( 32 ; CHECK: udiv i8 %a, %b 33 ; CHECK: zext 34 } 35 36 define i32 @urem_i32(i8 %a, i8 %b) nounwind { 37 %conv = zext i8 %a to i32 38 %conv2 = zext i8 %b to i32 39 %div = urem i32 %conv, %conv2 40 ret i32 %div 41 ; CHECK-LABEL: @urem_i32( 42 ; CHECK: urem i8 %a, %b 43 ; CHECK: zext 44 } 45 46 define i32 @udiv_i32_c(i8 %a) nounwind { 47 %conv = zext i8 %a to i32 48 %div = udiv i32 %conv, 10 49 ret i32 %div 50 ; CHECK-LABEL: @udiv_i32_c( 51 ; CHECK: udiv i8 %a, 10 52 ; CHECK: zext 53 } 54 55 define i32 @urem_i32_c(i8 %a) nounwind { 56 %conv = zext i8 %a to i32 57 %div = urem i32 %conv, 10 58 ret i32 %div 59 ; CHECK-LABEL: @urem_i32_c( 60 ; CHECK: urem i8 %a, 10 61 ; CHECK: zext 62 } 63
