1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt < %s -S -passes=gvn 2>&1 | FileCheck %s 3 4target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128" 5target triple = "x86_64-apple-darwin10.0" 6 7declare noalias ptr @malloc(i64) nounwind allockind("alloc,uninitialized") allocsize(0) inaccessiblememonly 8declare noalias ptr @calloc(i64, i64) allockind("alloc,zeroed") allocsize(0,1) inaccessiblememonly 9declare noalias ptr @_Znwm(i64) 10declare void @escape(ptr) 11 12define i8 @test_malloc(ptr %p) { 13; CHECK-LABEL: @test_malloc( 14; CHECK-NEXT: [[OBJ:%.*]] = call ptr @malloc(i64 16) 15; CHECK-NEXT: call void @escape(ptr [[OBJ]]) 16; CHECK-NEXT: ret i8 0 17; 18 %v1 = load i8, ptr %p 19 %obj = call ptr @malloc(i64 16) 20 %v2 = load i8, ptr %p 21 %sub = sub i8 %v1, %v2 22 call void @escape(ptr %obj) 23 ret i8 %sub 24} 25 26define i8 @test_calloc(ptr %p) { 27; CHECK-LABEL: @test_calloc( 28; CHECK-NEXT: [[OBJ:%.*]] = call ptr @calloc(i64 1, i64 16) 29; CHECK-NEXT: call void @escape(ptr [[OBJ]]) 30; CHECK-NEXT: ret i8 0 31; 32 %v1 = load i8, ptr %p 33 %obj = call ptr @calloc(i64 1, i64 16) 34 %v2 = load i8, ptr %p 35 %sub = sub i8 %v1, %v2 36 call void @escape(ptr %obj) 37 ret i8 %sub 38} 39 40define i8 @test_opnew(ptr %p) { 41; CHECK-LABEL: @test_opnew( 42; CHECK-NEXT: [[OBJ:%.*]] = call ptr @_Znwm(i64 16) 43; CHECK-NEXT: call void @escape(ptr [[OBJ]]) 44; CHECK-NEXT: ret i8 0 45; 46 %v1 = load i8, ptr %p 47 %obj = call ptr @_Znwm(i64 16) 48 %v2 = load i8, ptr %p 49 %sub = sub i8 %v1, %v2 50 call void @escape(ptr %obj) 51 ret i8 %sub 52} 53 54 55