1 ; RUN: llc < %s -mtriple=x86_64-pc-win32 | FileCheck %s 2 ; RUN: llc < %s -mtriple=x86_64-pc-linux | FileCheck %s -check-prefix=LINUX 3 4 ; Verify that the 5th and 6th parameters are coming from the correct location 5 ; on the stack. 6 define i32 @f6(i32 %p1, i32 %p2, i32 %p3, i32 %p4, i32 %p5, i32 %p6) nounwind readnone optsize { 7 entry: 8 ; CHECK: movl 48(%rsp), %eax 9 ; CHECK: addl 40(%rsp), %eax 10 ; LINUX: addl %r9d, %r8d 11 ; LINUX: movl %r8d, %eax 12 %add = add nsw i32 %p6, %p5 13 ret i32 %add 14 } 15 16 define x86_64_win64cc i32 @f7(i32 %p1, i32 %p2, i32 %p3, i32 %p4, i32 %p5, i32 %p6) nounwind readnone optsize { 17 entry: 18 ; CHECK: movl 48(%rsp), %eax 19 ; CHECK: addl 40(%rsp), %eax 20 ; LINUX: movl 48(%rsp), %eax 21 ; LINUX: addl 40(%rsp), %eax 22 %add = add nsw i32 %p6, %p5 23 ret i32 %add 24 } 25 26 ; Verify that even though we're compiling for Windows, parameters behave as 27 ; on other platforms here (note the x86_64_sysvcc calling convention). 28 define x86_64_sysvcc i32 @f8(i32 %p1, i32 %p2, i32 %p3, i32 %p4, i32 %p5, i32 %p6) nounwind readnone optsize { 29 entry: 30 ; CHECK: addl %r9d, %r8d 31 ; CHECK: movl %r8d, %eax 32 ; LINUX: addl %r9d, %r8d 33 ; LINUX: movl %r8d, %eax 34 %add = add nsw i32 %p6, %p5 35 ret i32 %add 36 } 37
