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Diffstat (limited to 'test/CodeGen/X86/GC/dynamic-frame-size.ll')
| -rw-r--r-- | test/CodeGen/X86/GC/dynamic-frame-size.ll | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/test/CodeGen/X86/GC/dynamic-frame-size.ll b/test/CodeGen/X86/GC/dynamic-frame-size.ll new file mode 100644 index 0000000..a3583d4 --- /dev/null +++ b/test/CodeGen/X86/GC/dynamic-frame-size.ll @@ -0,0 +1,28 @@ +; RUN: llc < %s | FileCheck %s +target datalayout = "e-i64:64-f80:128-n8:16:32:64-S128" +target triple = "x86_64-pc-linux-gnu" + +declare void @use(<4 x i8*>*) + +; Test that a frame which requires dynamic relocation produces a stack map +; with a size of UINT64_MAX. +define void @test(i8* %ptr) gc "erlang" { + ; 32 byte alignment (for the alloca) is larger than the default + ; 16 byte alignment + %slot = alloca <4 x i8*> + call void @use(<4 x i8*>* %slot); + ret void +} + +; CHECK: .note.gc +; CHECK-NEXT: .align 8 +; safe point count +; CHECK .short 1 +; CHECK .long .Ltmp0 +; stack frame size (in words) +; CHECK .short -1 +; stack arity (arguments on the stack) +; CHECK .short 0 +; live root count +; CHECK .short 0 + |