[MC] Fix -stack-size-section on ARM
Change symbol values in the stack_size section from being 8 bytes, to being a target dependent size.
Differential Revision: https://reviews.llvm.org/D42108
llvm-svn: 322619
diff --git a/llvm/test/CodeGen/ARM/stack-size-section.ll b/llvm/test/CodeGen/ARM/stack-size-section.ll
new file mode 100644
index 0000000..8514334
--- /dev/null
+++ b/llvm/test/CodeGen/ARM/stack-size-section.ll
@@ -0,0 +1,30 @@
+; RUN: llc < %s -mtriple=armv7-linux -stack-size-section | FileCheck %s
+
+; CHECK-LABEL: func1:
+; CHECK: .section .stack_sizes,"",%progbits
+; CHECK-NEXT: .long func1
+; CHECK-NEXT: .byte 8
+define void @func1(i32, i32) #0 {
+ alloca i32, align 4
+ alloca i32, align 4
+ ret void
+}
+
+; CHECK-LABEL: func2:
+; CHECK: .section .stack_sizes,"",%progbits
+; CHECK-NEXT: .long func2
+; CHECK-NEXT: .byte 16
+define void @func2() #0 {
+ alloca i32, align 4
+ call void @func1(i32 1, i32 2)
+ ret void
+}
+
+; CHECK-LABEL: dynalloc:
+; CHECK-NOT: .section .stack_sizes
+define void @dynalloc(i32 %N) #0 {
+ alloca i32, i32 %N
+ ret void
+}
+
+attributes #0 = { "no-frame-pointer-elim"="true" }