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gerrit-public.fairphone.software / toolchain / llvm-project / aa2a7cd828918a4294b7186691594c2be55641d6 / . / llvm / test / Transforms / InstCombine / memcpy.ll
blob: 8a2e3aaad0270662277ba4d1ed2fa3433f1322fc [file] [log] [blame]
Eli Friedman5842c992009-12-17 21:07:31 +0000[diff] [blame]1; RUN: opt < %s -instcombine -S | FileCheck %s
2
Chris Lattner98e82672010-10-01 05:47:16 +0000[diff] [blame]3declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind
Eli Friedman5842c992009-12-17 21:07:31 +0000[diff] [blame]4
Chris Lattnerc663a672010-10-01 05:51:02 +0000[diff] [blame]5define void @test1(i8* %a) {
Chris Lattner98e82672010-10-01 05:47:16 +0000[diff] [blame]6 tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %a, i8* %a, i32 100, i32 1, i1 false)
Eli Friedman5842c992009-12-17 21:07:31 +0000[diff] [blame]7 ret void
Chris Lattnerc663a672010-10-01 05:51:02 +0000[diff] [blame]8; CHECK: define void @test1
Eli Friedman5842c992009-12-17 21:07:31 +0000[diff] [blame]9; CHECK-NEXT: ret void
Chris Lattnerc663a672010-10-01 05:51:02 +0000[diff] [blame]10}
11
12
13; PR8267
14define void @test2(i8* %a) {
15 tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %a, i8* %a, i32 100, i32 1, i1 true)
16 ret void
17; CHECK: define void @test2
18; CHECK-NEXT: call void @llvm.memcpy
19}