CodeGen peephole: fold redundant phys reg copies

[oota-llvm.git] / test / CodeGen / X86 / win64_params.ll

diff --git a/test/CodeGen/X86/win64_params.ll b/test/CodeGen/X86/win64_params.ll
index f9d4bf9c3094f5e076f829633abe49c4c06bc455..a0b552d4d5847eecdc8ee7fdea9dde64e84dc292 100644 (file)
--- a/test/CodeGen/X86/win64_params.ll
+++ b/test/CodeGen/X86/win64_params.ll
@@ -1,4 +1,5 @@
 ; RUN: llc < %s -mtriple=x86_64-pc-win32 | FileCheck %s
+; RUN: llc < %s -mtriple=x86_64-pc-linux | FileCheck %s -check-prefix=LINUX
 
 ; Verify that the 5th and 6th parameters are coming from the correct location
 ; on the stack.
@@ -6,6 +7,27 @@ define i32 @f6(i32 %p1, i32 %p2, i32 %p3, i32 %p4, i32 %p5, i32 %p6) nounwind re
 entry:
 ; CHECK: movl    48(%rsp), %eax
 ; CHECK: addl    40(%rsp), %eax
+; LINUX: leal    (%r8,%r9), %eax
+  %add = add nsw i32 %p6, %p5
+  ret i32 %add
+}
+
+define x86_64_win64cc i32 @f7(i32 %p1, i32 %p2, i32 %p3, i32 %p4, i32 %p5, i32 %p6) nounwind readnone optsize {
+entry:
+; CHECK: movl    48(%rsp), %eax
+; CHECK: addl    40(%rsp), %eax
+; LINUX: movl    48(%rsp), %eax
+; LINUX: addl    40(%rsp), %eax
+  %add = add nsw i32 %p6, %p5
+  ret i32 %add
+}
+
+; Verify that even though we're compiling for Windows, parameters behave as
+; on other platforms here (note the x86_64_sysvcc calling convention).
+define x86_64_sysvcc i32 @f8(i32 %p1, i32 %p2, i32 %p3, i32 %p4, i32 %p5, i32 %p6) nounwind readnone optsize {
+entry:
+; CHECK: leal    (%r8,%r9), %eax
+; LINUX: leal    (%r8,%r9), %eax
   %add = add nsw i32 %p6, %p5
   ret i32 %add
 }