File: test-add-sub-separation.ll

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (31 lines) | stat: -rw-r--r-- 1,230 bytes parent folder | download | duplicates (12)
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
}