[PATCH] D35540: [AArch64] Add a test for float argument passing to win64 vararg functions

[Martin Storsjö via Phabricator via llvm-commits]

mstorsjo updated this revision to Diff 108038.
mstorsjo added a comment.

Rebased the test on top of the latest trunk version; ping (this should also be pretty trivial).


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
@@ -145,3 +145,29 @@
   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


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