1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4 2; Test to make sure malloc's bitcast does not block detection of a store 3; to aliased memory; GVN should not optimize away the load in this program. 4; RUN: opt < %s -passes=newgvn -S | FileCheck %s 5 6define i64 @test() { 7; CHECK-LABEL: define i64 @test() { 8; CHECK-NEXT: [[TMP1:%.*]] = tail call ptr @malloc(i64 mul (i64 ptrtoint (ptr getelementptr (i64, ptr null, i64 1) to i64), i64 4)) 9; CHECK-NEXT: store i8 42, ptr [[TMP1]], align 1 10; CHECK-NEXT: [[Y:%.*]] = load i64, ptr [[TMP1]], align 4 11; CHECK-NEXT: ret i64 [[Y]] 12; 13 %1 = tail call ptr @malloc(i64 mul (i64 4, i64 ptrtoint (ptr getelementptr (i64, ptr null, i64 1) to i64))) ; <ptr> [#uses=2] 14 store i8 42, ptr %1 15 %Y = load i64, ptr %1 ; <i64> [#uses=1] 16 ret i64 %Y 17} 18 19declare noalias ptr @malloc(i64) 20