| ; RUN: opt -passes=gvn -S < %s | FileCheck %s |
| |
| ; CHECK: define {{.*}}@eggs |
| |
| %struct.zot = type { i32 (...)** } |
| %struct.wombat = type { i8* } |
| %struct.baz = type { i8, i8* } |
| |
| @global = hidden unnamed_addr constant i8* bitcast (void (%struct.zot*, i1)* @quux to i8*) |
| |
| declare i8* @f() |
| |
| define hidden void @eggs(%struct.zot* %arg, i1 %arg2, i32* %arg3, i32 %arg4, %struct.baz** %arg5) unnamed_addr align 2 { |
| bb: |
| %tmp = alloca %struct.wombat, align 8 |
| %tmp1 = getelementptr %struct.zot, %struct.zot* %arg, i64 0, i32 0 |
| store i32 (...)** bitcast (i8** @global to i32 (...)**), i32 (...)*** %tmp1, align 8, !invariant.group !0 |
| br i1 %arg2, label %bb4, label %bb2 |
| |
| bb2: ; preds = %bb |
| %tmp3 = atomicrmw sub i32* %arg3, i32 %arg4 acq_rel, align 4 |
| br label %bb4 |
| |
| bb4: ; preds = %bb2, %bb |
| %tmp5 = load %struct.baz*, %struct.baz** %arg5, align 8 |
| %tmp6 = getelementptr inbounds %struct.baz, %struct.baz* %tmp5, i64 0, i32 1 |
| br i1 %arg2, label %bb9, label %bb7 |
| |
| bb7: ; preds = %bb4 |
| %tmp8 = tail call i8* @f() |
| br label %bb9 |
| |
| bb9: ; preds = %bb7, %bb4 |
| %tmp10 = load %struct.baz*, %struct.baz** %arg5, align 8 |
| %tmp11 = getelementptr inbounds %struct.baz, %struct.baz* %tmp10, i64 0, i32 0 |
| %tmp12 = bitcast %struct.zot* %arg to void (%struct.zot*, i1)*** |
| %tmp13 = load void (%struct.zot*, i1)**, void (%struct.zot*, i1)*** %tmp12, align 8, !invariant.group !0 |
| %tmp14 = getelementptr inbounds void (%struct.zot*, i1)*, void (%struct.zot*, i1)** %tmp13, i64 0 |
| %tmp15 = load void (%struct.zot*, i1)*, void (%struct.zot*, i1)** %tmp14, align 8 |
| tail call void %tmp15(%struct.zot* %arg, i1 %arg2) |
| %tmp16 = getelementptr inbounds %struct.wombat, %struct.wombat* %tmp, i64 0, i32 0 |
| %tmp17 = load i8*, i8** %tmp16, align 8 |
| %tmp18 = icmp eq i8* %tmp17, null |
| ret void |
| } |
| |
| ; Function Attrs: nounwind willreturn |
| declare hidden void @quux(%struct.zot*, i1) unnamed_addr #0 align 2 |
| |
| attributes #0 = { nounwind willreturn } |
| |
| !0 = !{} |