| ; RUN: llc -march=hexagon -mtriple=hexagon-unknown-linux-musl < %s | FileCheck %s |
| |
| ; Check that we update the stack pointer before we do allocframe, so that |
| ; the LR/FP are stored in the location required by the Linux ABI. |
| ; CHECK: r29 = add(r29,#-24) |
| ; CHECK: allocframe |
| |
| target triple = "hexagon-unknown-linux" |
| |
| %s.0 = type { i8*, i8*, i8* } |
| |
| define dso_local i32 @f0(i32 %a0, ...) local_unnamed_addr #0 { |
| b0: |
| %v0 = alloca [1 x %s.0], align 8 |
| %v1 = bitcast [1 x %s.0]* %v0 to i8* |
| call void @llvm.lifetime.start.p0i8(i64 12, i8* nonnull %v1) #2 |
| call void @llvm.va_start(i8* nonnull %v1) |
| %v2 = getelementptr inbounds [1 x %s.0], [1 x %s.0]* %v0, i32 0, i32 0, i32 0 |
| %v3 = load i8*, i8** %v2, align 8 |
| %v4 = getelementptr inbounds [1 x %s.0], [1 x %s.0]* %v0, i32 0, i32 0, i32 1 |
| %v5 = load i8*, i8** %v4, align 4 |
| %v6 = getelementptr i8, i8* %v3, i32 4 |
| %v7 = icmp sgt i8* %v6, %v5 |
| br i1 %v7, label %b1, label %b2 |
| |
| b1: ; preds = %b0 |
| %v8 = getelementptr inbounds [1 x %s.0], [1 x %s.0]* %v0, i32 0, i32 0, i32 2 |
| %v9 = load i8*, i8** %v8, align 8 |
| %v10 = getelementptr i8, i8* %v9, i32 4 |
| store i8* %v10, i8** %v8, align 8 |
| br label %b2 |
| |
| b2: ; preds = %b1, %b0 |
| %v11 = phi i8* [ %v10, %b1 ], [ %v6, %b0 ] |
| %v12 = phi i8* [ %v9, %b1 ], [ %v3, %b0 ] |
| %v13 = bitcast i8* %v12 to i32* |
| store i8* %v11, i8** %v2, align 8 |
| %v14 = load i32, i32* %v13, align 4 |
| %v15 = icmp eq i32 %v14, 0 |
| br i1 %v15, label %b7, label %b3 |
| |
| b3: ; preds = %b2 |
| %v16 = getelementptr inbounds [1 x %s.0], [1 x %s.0]* %v0, i32 0, i32 0, i32 2 |
| br label %b4 |
| |
| b4: ; preds = %b6, %b3 |
| %v17 = phi i32 [ %v14, %b3 ], [ %v28, %b6 ] |
| %v18 = phi i32 [ %a0, %b3 ], [ %v20, %b6 ] |
| %v19 = phi i8* [ %v11, %b3 ], [ %v25, %b6 ] |
| %v20 = add nsw i32 %v17, %v18 |
| %v21 = getelementptr i8, i8* %v19, i32 4 |
| %v22 = icmp sgt i8* %v21, %v5 |
| br i1 %v22, label %b5, label %b6 |
| |
| b5: ; preds = %b4 |
| %v23 = load i8*, i8** %v16, align 8 |
| %v24 = getelementptr i8, i8* %v23, i32 4 |
| store i8* %v24, i8** %v16, align 8 |
| br label %b6 |
| |
| b6: ; preds = %b5, %b4 |
| %v25 = phi i8* [ %v24, %b5 ], [ %v21, %b4 ] |
| %v26 = phi i8* [ %v23, %b5 ], [ %v19, %b4 ] |
| %v27 = bitcast i8* %v26 to i32* |
| store i8* %v25, i8** %v2, align 8 |
| %v28 = load i32, i32* %v27, align 4 |
| %v29 = icmp eq i32 %v28, 0 |
| br i1 %v29, label %b7, label %b4 |
| |
| b7: ; preds = %b6, %b2 |
| %v30 = phi i32 [ %a0, %b2 ], [ %v20, %b6 ] |
| call void @llvm.va_end(i8* nonnull %v1) |
| call void @llvm.lifetime.end.p0i8(i64 12, i8* nonnull %v1) #2 |
| ret i32 %v30 |
| } |
| |
| ; Function Attrs: argmemonly nounwind |
| declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1 |
| |
| ; Function Attrs: nounwind |
| declare void @llvm.va_start(i8*) #2 |
| |
| ; Function Attrs: nounwind |
| declare void @llvm.va_end(i8*) #2 |
| |
| ; Function Attrs: argmemonly nounwind |
| declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1 |
| |
| attributes #0 = { argmemonly nounwind "frame-pointer"="all" } |
| |
| !llvm.module.flags = !{!0} |
| |
| !0 = !{i32 1, !"wchar_size", i32 4} |