From d4147fa3abf4817211f027d0212ffb75476ee590 Mon Sep 17 00:00:00 2001 From: Martin Storsjo Date: Tue, 25 Jul 2017 19:57:22 +0000 Subject: [PATCH] [AArch64] Add a test for float argument passing to win64 vararg functions The existing tests only tested how a va_start is lowered. Differential Revision: https://reviews.llvm.org/D35540 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@309015 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/CodeGen/AArch64/win64_vararg.ll | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/test/CodeGen/AArch64/win64_vararg.ll b/test/CodeGen/AArch64/win64_vararg.ll index 3acc7e520c9..6f48213fb42 100644 --- a/test/CodeGen/AArch64/win64_vararg.ll +++ b/test/CodeGen/AArch64/win64_vararg.ll @@ -145,3 +145,29 @@ define i32 @snprintf(i8*, i64, i8*, ...) local_unnamed_addr #5 { call void @llvm.lifetime.end.p0i8(i64 8, i8* nonnull %5) #2 ret i32 %12 } + +; CHECK-LABEL: fixed_params +; CHECK: sub sp, sp, #32 +; CHECK: mov w8, w3 +; CHECK: mov w9, w2 +; CHECK: mov w10, w1 +; CHECK: str w4, [sp] +; CHECK: fmov x1, d0 +; CHECK: fmov x3, d1 +; CHECK: fmov x5, d2 +; CHECK: fmov x7, d3 +; CHECK: mov w2, w10 +; CHECK: mov w4, w9 +; CHECK: mov w6, w8 +; CHECK: str x30, [sp, #16] +; CHECK: str d4, [sp, #8] +; CHECK: bl varargs +; CHECK: ldr x30, [sp, #16] +; CHECK: add sp, sp, #32 +; CHECK: ret +define void @fixed_params(i32, double, i32, double, i32, double, i32, double, i32, double) nounwind { + tail call void (i32, ...) @varargs(i32 %0, double %1, i32 %2, double %3, i32 %4, double %5, i32 %6, double %7, i32 %8, double %9) + ret void +} + +declare void @varargs(i32, ...) local_unnamed_addr -- 2.11.0