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| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instcombine -S | FileCheck %s
declare { i8, i32 } @llvm.x86.addcarry.32(i8, i32, i32)
declare { i8, i64 } @llvm.x86.addcarry.64(i8, i64, i64)
define i32 @no_carryin_i32(i32 %x, i32 %y, i8* %p) {
; CHECK-LABEL: @no_carryin_i32(
; CHECK-NEXT: [[TMP1:%.*]] = call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 [[X:%.*]], i32 [[Y:%.*]])
; CHECK-NEXT: [[TMP2:%.*]] = extractvalue { i32, i1 } [[TMP1]], 0
; CHECK-NEXT: [[TMP3:%.*]] = extractvalue { i32, i1 } [[TMP1]], 1
; CHECK-NEXT: [[TMP4:%.*]] = zext i1 [[TMP3]] to i8
; CHECK-NEXT: store i8 [[TMP4]], i8* [[P:%.*]], align 1
; CHECK-NEXT: ret i32 [[TMP2]]
;
%s = call { i8, i32 } @llvm.x86.addcarry.32(i8 0, i32 %x, i32 %y)
%ov = extractvalue { i8, i32 } %s, 0
store i8 %ov, i8* %p
%r = extractvalue { i8, i32 } %s, 1
ret i32 %r
}
define i64 @no_carryin_i64(i64 %x, i64 %y, i8* %p) {
; CHECK-LABEL: @no_carryin_i64(
; CHECK-NEXT: [[TMP1:%.*]] = call { i64, i1 } @llvm.uadd.with.overflow.i64(i64 [[X:%.*]], i64 [[Y:%.*]])
; CHECK-NEXT: [[TMP2:%.*]] = extractvalue { i64, i1 } [[TMP1]], 0
; CHECK-NEXT: [[TMP3:%.*]] = extractvalue { i64, i1 } [[TMP1]], 1
; CHECK-NEXT: [[TMP4:%.*]] = zext i1 [[TMP3]] to i8
; CHECK-NEXT: store i8 [[TMP4]], i8* [[P:%.*]], align 1
; CHECK-NEXT: ret i64 [[TMP2]]
;
%s = call { i8, i64 } @llvm.x86.addcarry.64(i8 0, i64 %x, i64 %y)
%ov = extractvalue { i8, i64 } %s, 0
store i8 %ov, i8* %p
%r = extractvalue { i8, i64 } %s, 1
ret i64 %r
}
|