| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -tailcallopt -mattr=+sse2 -mtriple=x86_64-apple-darwin | FileCheck %s |
| |
| ; Check that x86-64 tail calls support x86_fp80 and v2f32 types. (Tail call |
| ; calling convention out of sync with standard c calling convention on x86_64) |
| ; Bug 4278. |
| |
| declare fastcc double @tailcallee(x86_fp80, <2 x float>) |
| |
| define fastcc double @tailcall() { |
| ; CHECK-LABEL: tailcall: |
| ; CHECK: ## %bb.0: ## %entry |
| ; CHECK-NEXT: subq $40, %rsp |
| ; CHECK-NEXT: .cfi_def_cfa_offset 48 |
| ; CHECK-NEXT: movq {{[0-9]+}}(%rsp), %rax |
| ; CHECK-NEXT: movq %rax, {{[0-9]+}}(%rsp) |
| ; CHECK-NEXT: fld1 |
| ; CHECK-NEXT: fstpt {{[0-9]+}}(%rsp) |
| ; CHECK-NEXT: movaps {{.*#+}} xmm0 = <1.0E+0,1.0E+0,u,u> |
| ; CHECK-NEXT: addq $24, %rsp |
| ; CHECK-NEXT: jmp _tailcallee ## TAILCALL |
| entry: |
| %tmp = fpext float 1.000000e+00 to x86_fp80 |
| %tmp2 = tail call fastcc double @tailcallee( x86_fp80 %tmp, <2 x float> <float 1.000000e+00, float 1.000000e+00>) |
| ret double %tmp2 |
| } |
