diff options
Diffstat (limited to 'test/DebugInfo/AArch64/cfi-frame.ll')
-rw-r--r-- | test/DebugInfo/AArch64/cfi-frame.ll | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/test/DebugInfo/AArch64/cfi-frame.ll b/test/DebugInfo/AArch64/cfi-frame.ll new file mode 100644 index 0000000000..7290ddf357 --- /dev/null +++ b/test/DebugInfo/AArch64/cfi-frame.ll @@ -0,0 +1,58 @@ +; RUN: llc -verify-machineinstrs -mtriple=aarch64-none-linux-gnu < %s | FileCheck %s +; RUN: llc -verify-machineinstrs -mtriple=aarch64-none-linux-gnu -disable-fp-elim < %s | FileCheck %s --check-prefix=CHECK-WITH-FP + +@bigspace = global [8 x i64] zeroinitializer + +declare void @use_addr(i8*) + +define void @test_frame([8 x i64] %val) { +; CHECK: test_frame: +; CHECK: .cfi_startproc + + %var = alloca i8, i32 1000000 +; CHECK: sub sp, sp, #[[SP_INIT_ADJ:[0-9]+]] +; CHECK-NEXT: .Ltmp +; CHECK-NEXT: .cfi_def_cfa sp, [[SP_INIT_ADJ]] + +; Make sure the prologue is reasonably efficient +; CHECK-NEXT: stp x29, x30, [sp, +; CHECK-NEXT: stp x25, x26, [sp, +; CHECK-NEXT: stp x23, x24, [sp, +; CHECK-NEXT: stp x21, x22, [sp, +; CHECK-NEXT: stp x19, x20, [sp, +; CHECK-NEXT: sub sp, sp, #160 +; CHECK-NEXT: sub sp, sp, #244, lsl #12 +; CHECK-NEXT: .Ltmp +; CHECK-NEXT: .cfi_def_cfa sp, 1000080 +; CHECK-NEXT: .Ltmp +; CHECK-NEXT: .cfi_offset x30, -8 +; CHECK-NEXT: .Ltmp +; CHECK-NEXT: .cfi_offset x29, -16 +; [...] +; CHECK: .cfi_offset x19, -80 + +; CHECK: bl use_addr + call void @use_addr(i8* %var) + + store [8 x i64] %val, [8 x i64]* @bigspace + ret void +; CHECK: ret +; CHECK: .cfi_endproc +} + +; CHECK-WITH-FP: test_frame: + +; CHECK-WITH-FP: sub sp, sp, #[[SP_INIT_ADJ:[0-9]+]] +; CHECK-WITH-FP-NEXT: .Ltmp +; CHECK-WITH-FP-NEXT: .cfi_def_cfa sp, [[SP_INIT_ADJ]] + +; CHECK-WITH-FP: stp x29, x30, [sp, [[OFFSET:#[0-9]+]]] +; CHECK-WITH-FP-NEXT: add x29, sp, [[OFFSET]] +; CHECK-WITH-FP-NEXT: .Ltmp +; CHECK-WITH-FP-NEXT: .cfi_def_cfa x29, 16 + + ; We shouldn't emit any kind of update for the second stack adjustment if the + ; FP is in use. +; CHECK-WITH-FP-NOT: .cfi_def_cfa_offset + +; CHECK-WITH-FP: bl use_addr |