| ; RUN: llc < %s | not grep invariant |
| |
| ; llc currently emits no code or bookkeeping for invariant intrinsic calls |
| ; or declarations. |
| |
| target datalayout = "e-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-p:32:32:32-v128:32:128-n32-S128" |
| target triple = "asmjs-unknown-emscripten" |
| |
| declare void @bar(i8*) |
| |
| define void @foo() { |
| %p = alloca i8 |
| %i = call {}* @llvm.invariant.start.p0i8(i64 1, i8* %p) |
| call void @bar(i8* %p) |
| call void @llvm.invariant.end.p0i8({}* %i, i64 1, i8* %p) |
| ret void |
| } |
| |
| declare {}* @llvm.invariant.start.p0i8(i64, i8* nocapture) |
| declare void @llvm.invariant.end.p0i8({}*, i64, i8* nocapture) |
