76 lines
1.9 KiB
LLVM
76 lines
1.9 KiB
LLVM
; RUN: opt < %s -instcombine -S | FileCheck %s
|
|
|
|
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"
|
|
|
|
; PR4548
|
|
define i8 @udiv_i8(i8 %a, i8 %b) {
|
|
; CHECK-LABEL: @udiv_i8(
|
|
; CHECK-NEXT: [[DIV:%.*]] = udiv i8 %a, %b
|
|
; CHECK-NEXT: ret i8 [[DIV]]
|
|
;
|
|
%za = zext i8 %a to i32
|
|
%zb = zext i8 %b to i32
|
|
%udiv = udiv i32 %za, %zb
|
|
%conv3 = trunc i32 %udiv to i8
|
|
ret i8 %conv3
|
|
}
|
|
|
|
define i8 @urem_i8(i8 %a, i8 %b) {
|
|
; CHECK-LABEL: @urem_i8(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = urem i8 %a, %b
|
|
; CHECK-NEXT: ret i8 [[TMP1]]
|
|
;
|
|
%za = zext i8 %a to i32
|
|
%zb = zext i8 %b to i32
|
|
%udiv = urem i32 %za, %zb
|
|
%conv3 = trunc i32 %udiv to i8
|
|
ret i8 %conv3
|
|
}
|
|
|
|
define i32 @udiv_i32(i8 %a, i8 %b) {
|
|
; CHECK-LABEL: @udiv_i32(
|
|
; CHECK-NEXT: [[DIV:%.*]] = udiv i8 %a, %b
|
|
; CHECK-NEXT: [[UDIV:%.*]] = zext i8 [[DIV]] to i32
|
|
; CHECK-NEXT: ret i32 [[UDIV]]
|
|
;
|
|
%za = zext i8 %a to i32
|
|
%zb = zext i8 %b to i32
|
|
%udiv = udiv i32 %za, %zb
|
|
ret i32 %udiv
|
|
}
|
|
|
|
define i32 @urem_i32(i8 %a, i8 %b) {
|
|
; CHECK-LABEL: @urem_i32(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = urem i8 %a, %b
|
|
; CHECK-NEXT: [[UDIV:%.*]] = zext i8 [[TMP1]] to i32
|
|
; CHECK-NEXT: ret i32 [[UDIV]]
|
|
;
|
|
%za = zext i8 %a to i32
|
|
%zb = zext i8 %b to i32
|
|
%udiv = urem i32 %za, %zb
|
|
ret i32 %udiv
|
|
}
|
|
|
|
define i32 @udiv_i32_c(i8 %a) {
|
|
; CHECK-LABEL: @udiv_i32_c(
|
|
; CHECK-NEXT: [[DIV:%.*]] = udiv i8 %a, 10
|
|
; CHECK-NEXT: [[UDIV:%.*]] = zext i8 [[DIV]] to i32
|
|
; CHECK-NEXT: ret i32 [[UDIV]]
|
|
;
|
|
%za = zext i8 %a to i32
|
|
%udiv = udiv i32 %za, 10
|
|
ret i32 %udiv
|
|
}
|
|
|
|
define i32 @urem_i32_c(i8 %a) {
|
|
; CHECK-LABEL: @urem_i32_c(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = urem i8 %a, 10
|
|
; CHECK-NEXT: [[UDIV:%.*]] = zext i8 [[TMP1]] to i32
|
|
; CHECK-NEXT: ret i32 [[UDIV]]
|
|
;
|
|
%za = zext i8 %a to i32
|
|
%udiv = urem i32 %za, 10
|
|
ret i32 %udiv
|
|
}
|
|
|