[PATCH] D35540: [AArch64] Add a test for float argument passing to win64 vararg functions
Martin Storsjö via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Jul 18 03:43:47 PDT 2017
mstorsjo created this revision.
Herald added subscribers: kristof.beyls, javed.absar, rengolin, aemerson.
The existing tests only tested how a va_start is lowered.
https://reviews.llvm.org/D35540
Files:
test/CodeGen/AArch64/win64_vararg.ll
Index: test/CodeGen/AArch64/win64_vararg.ll
===================================================================
--- test/CodeGen/AArch64/win64_vararg.ll
+++ test/CodeGen/AArch64/win64_vararg.ll
@@ -93,3 +93,29 @@
call void @llvm.va_copy(i8* %cp1, i8* %ap1)
ret void
}
+
+; 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
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