diff options
Diffstat (limited to 'test/CodeGen/XCore/varargs.ll')
-rw-r--r-- | test/CodeGen/XCore/varargs.ll | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/test/CodeGen/XCore/varargs.ll b/test/CodeGen/XCore/varargs.ll new file mode 100644 index 000000000000..28c293390c59 --- /dev/null +++ b/test/CodeGen/XCore/varargs.ll @@ -0,0 +1,55 @@ +; RUN: llc < %s -march=xcore | FileCheck %s + +define void @_Z1fz(...) { +entry: +; CHECK-LABEL: _Z1fz: +; CHECK: extsp 3 +; CHECK: stw r[[REG:[0-3]{1,1}]] +; CHECK: , sp{{\[}}[[REG]]{{\]}} +; CHECK: stw r[[REG:[0-3]{1,1}]] +; CHECK: , sp{{\[}}[[REG]]{{\]}} +; CHECK: stw r[[REG:[0-3]{1,1}]] +; CHECK: , sp{{\[}}[[REG]]{{\]}} +; CHECK: stw r[[REG:[0-3]{1,1}]] +; CHECK: , sp{{\[}}[[REG]]{{\]}} +; CHECK: ldaw sp, sp[3] +; CHECK: retsp 0 + ret void +} + + +declare void @llvm.va_start(i8*) nounwind +declare void @llvm.va_end(i8*) nounwind +declare void @f(i32) nounwind +define void @test_vararg(...) nounwind { +entry: +; CHECK-LABEL: test_vararg +; CHECK: extsp 6 +; CHECK: stw lr, sp[1] +; CHECK: stw r0, sp[3] +; CHECK: stw r1, sp[4] +; CHECK: stw r2, sp[5] +; CHECK: stw r3, sp[6] +; CHECK: ldaw r0, sp[3] +; CHECK: stw r0, sp[2] + %list = alloca i8*, align 4 + %list1 = bitcast i8** %list to i8* + call void @llvm.va_start(i8* %list1) + br label %for.cond + +; CHECK-LABEL: .LBB1_1 +; CHECK: ldw r0, sp[2] +; CHECK: add r1, r0, 4 +; CHECK: stw r1, sp[2] +; CHECK: ldw r0, r0[0] +; CHECK: bl f +; CHECK: bu .LBB1_1 +for.cond: + %0 = va_arg i8** %list, i32 + call void @f(i32 %0) + br label %for.cond + + call void @llvm.va_end(i8* %list1) + ret void +} + |