1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -passes=separate-const-offset-from-gep < %s | FileCheck %s
define void @matchingExtensions(ptr %ap, ptr %bp, ptr %result) {
; CHECK-LABEL: @matchingExtensions(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[A:%.*]] = load i32, ptr [[AP:%.*]], align 4
; CHECK-NEXT: [[B:%.*]] = load i32, ptr [[BP:%.*]], align 4
; CHECK-NEXT: [[EB:%.*]] = sext i32 [[B]] to i64
; CHECK-NEXT: [[SUBAB:%.*]] = sub nsw i32 [[A]], [[B]]
; CHECK-NEXT: [[EA:%.*]] = sext i32 [[A]] to i64
; CHECK-NEXT: [[ADDEAEB:%.*]] = add nsw i64 [[EA]], [[EB]]
; CHECK-NEXT: [[EXTSUB:%.*]] = sext i32 [[SUBAB]] to i64
; CHECK-NEXT: [[IDX:%.*]] = getelementptr i32, ptr [[AP]], i64 [[EXTSUB]]
; CHECK-NEXT: store i64 [[ADDEAEB]], ptr [[RESULT:%.*]]
; CHECK-NEXT: store i32 [[SUBAB]], ptr [[IDX]]
; CHECK-NEXT: ret void
;
entry:
%a = load i32, ptr %ap
%b = load i32, ptr %bp
%eb = sext i32 %b to i64
%subab = sub nsw i32 %a, %b
%ea = sext i32 %a to i64
%addeaeb = add nsw i64 %ea, %eb
%extsub = sext i32 %subab to i64
%idx = getelementptr i32, ptr %ap, i64 %extsub
store i64 %addeaeb, ptr %result
store i32 %subab, ptr %idx
ret void
}
|
