blob: e2454f669002b04845d1a944d6b92626cc84c1d9 [file] [log] [blame]
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -passes=gvn < %s | FileCheck %s
define i64 @test(ptr noalias %p, ptr noalias %q) {
; CHECK-LABEL: @test(
; CHECK-NEXT: entry:
; CHECK-NEXT: store ptr [[Q:%.*]], ptr [[P:%.*]], align 8
; CHECK-NEXT: br i1 false, label [[IF:%.*]], label [[MERGE:%.*]]
; CHECK: if:
; CHECK-NEXT: call void @clobber(ptr [[P]])
; CHECK-NEXT: br label [[MERGE]]
; CHECK: merge:
; CHECK-NEXT: store i64 1, ptr [[Q]], align 4
; CHECK-NEXT: [[Q3:%.*]] = getelementptr i64, ptr [[Q]], i64 1
; CHECK-NEXT: store i64 2, ptr [[Q3]], align 4
; CHECK-NEXT: ret i64 1
;
entry:
store ptr %q, ptr %p
br i1 false, label %if, label %merge
if:
call void @clobber(ptr %p)
br label %merge
merge:
%q2 = load ptr, ptr %p
store i64 1, ptr %q2
%v = load i64, ptr %q
%q3 = getelementptr i64, ptr %q, i64 %v
store i64 2, ptr %q3
%v2 = load i64, ptr %q
ret i64 %v2
}
declare void @clobber(ptr %p)