diff --git a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp index cf8f1c878ea5a..821879a1f7c36 100644 --- a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp +++ b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp @@ -1586,7 +1586,7 @@ void AsmPrinter::emitStackSizeSection(const MachineFunction &MF) { return; MCSection *StackSizeSection = - getObjFileLowering().getStackSizesSection(*getCurrentSection()); + getObjFileLowering().getStackSizesSection(*MF.getSection()); if (!StackSizeSection) return; diff --git a/llvm/test/CodeGen/AArch64/stack-size-section.ll b/llvm/test/CodeGen/AArch64/stack-size-section.ll new file mode 100644 index 0000000000000..e7429032da16a --- /dev/null +++ b/llvm/test/CodeGen/AArch64/stack-size-section.ll @@ -0,0 +1,63 @@ +; RUN: llc -mtriple=aarch64 -aarch64-min-jump-table-entries=4 -stack-size-section %s -o - | FileCheck %s + +; CHECK-LABEL: .section .stack_sizes,"o",@progbits,.text{{$}} +; CHECK-NEXT: .xword .Lfunc_begin0 +; CHECK-NEXT: .byte 0 +define void @empty() { + ret void +} + +; CHECK-LABEL: .section .stack_sizes,"o",@progbits,.text{{$}} +; CHECK-NEXT: .xword .Lfunc_begin1 +; CHECK-NEXT: .ascii "\200\001" +define void @non_empty() #0 { + alloca [32 x i32] + ret void +} + +; CHECK-LABEL: dynalloc: +; CHECK-NOT: .section .stack_sizes +define void @dynalloc(i32 %n) #0 { + alloca i32, i32 %n + ret void +} + +; Check that .stack_sizes section is linked to the function's section (.text), +; and not to the section containing the jump table (.rodata). +; CHECK-LABEL: linked_section: +; CHECK: .section .rodata,"a",@progbits +; CHECK: .section .stack_sizes,"o",@progbits,.text +; CHECK-NEXT: .xword .Lfunc_begin3 +; CHECK-NEXT: .ascii "\220\001" +declare void @case0() +declare void @case1() +declare void @case2() +declare void @case3() +define void @linked_section(i32 %x) { + %arr = alloca [32 x i32] + switch i32 %x, label %sw.epilog [ + i32 0, label %sw.bb0 + i32 1, label %sw.bb1 + i32 2, label %sw.bb2 + i32 3, label %sw.bb3 + ] + +sw.bb0: + call void @case0() + ret void + +sw.bb1: + call void @case1() + ret void + +sw.bb2: + call void @case2() + ret void + +sw.bb3: + call void @case3() + ret void + +sw.epilog: + ret void +} diff --git a/llvm/test/CodeGen/SystemZ/stack-size-section.ll b/llvm/test/CodeGen/SystemZ/stack-size-section.ll index 024f20bfc2dc8..d9fb98cbb8944 100644 --- a/llvm/test/CodeGen/SystemZ/stack-size-section.ll +++ b/llvm/test/CodeGen/SystemZ/stack-size-section.ll @@ -38,4 +38,34 @@ define void @dynalloc(i32 %N) #0 { ret void } +; Check that .stack_sizes section is linked to the function's section (.text), +; and not to the section containing the jump table (.rodata). +; CHECK-LABEL: .section .stack_sizes,"o",@progbits,.text{{$}} +; CHECK-NEXT: .quad .Lfunc_begin4 +; CHECK-NEXT: .ascii "\260!" +define i32 @linked_section(i32 %x) { + %arr = alloca [1024 x i32] + switch i32 %x, label %sw.epilog [ + i32 0, label %sw.bb0 + i32 1, label %sw.bb1 + i32 2, label %sw.bb2 + i32 3, label %sw.bb3 + ] + +sw.bb0: + ret i32 0 + +sw.bb1: + ret i32 1 + +sw.bb2: + ret i32 2 + +sw.bb3: + ret i32 3 + +sw.epilog: + ret i32 -1 +} + attributes #0 = { "frame-pointer"="all" }