You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
94 lines
3.2 KiB
94 lines
3.2 KiB
4 months ago
|
; 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}
|