| Bryant Wong | a07d9b1 | 2016-12-25 22:42:27 +0000 | [diff] [blame] | 1 | ; RUN: opt -disable-output -basicaa -print-memoryssa %s 2>&1 | FileCheck %s |
| 2 | |
| 3 | declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind |
| 4 | |
| 5 | define void @source_clobber(i8* %a, i8* %b) { |
| 6 | ; CHECK-LABEL: @source_clobber( |
| 7 | ; CHECK-NEXT: ; 1 = MemoryDef(liveOnEntry) |
| 8 | ; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* %a, i8* %b, i64 128, i32 1, i1 false) |
| 9 | ; CHECK-NEXT: ; MemoryUse(liveOnEntry) |
| 10 | ; CHECK-NEXT: [[X:%.*]] = load i8, i8* %b |
| 11 | ; CHECK-NEXT: ret void |
| 12 | ; |
| 13 | call void @llvm.memcpy.p0i8.p0i8.i64(i8* %a, i8* %b, i64 128, i32 1, i1 false) |
| 14 | %x = load i8, i8* %b |
| 15 | ret void |
| 16 | } |