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TheRock/compiler/amd-llvm/llvm/test/CodeGen/X86/2009-06-12-x86_64-tail-call-conv-out-of-sync-bug.ll
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

27 lines
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LLVM

; 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
}