llvm-for-llvmta/test/CodeGen/X86/fp-stack-ret-store.ll

55 lines
1.6 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mcpu=yonah | FileCheck %s
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
target triple = "i686-apple-darwin8"
; This should store directly into P from the FP stack. It should not
; go through a stack slot to get there.
define void @bar(double* %P) {
; CHECK-LABEL: bar:
; CHECK: ## %bb.0: ## %entry
; CHECK-NEXT: pushl %esi
; CHECK-NEXT: .cfi_def_cfa_offset 8
; CHECK-NEXT: subl $8, %esp
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: .cfi_offset %esi, -8
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %esi
; CHECK-NEXT: calll _foo
; CHECK-NEXT: fstpl (%esi)
; CHECK-NEXT: addl $8, %esp
; CHECK-NEXT: popl %esi
; CHECK-NEXT: retl
entry:
%tmp = tail call double (...) @foo( ) ; <double> [#uses=1]
store double %tmp, double* %P, align 8
ret void
}
declare double @foo(...)
define void @bar2(float* %P) {
; CHECK-LABEL: bar2:
; CHECK: ## %bb.0: ## %entry
; CHECK-NEXT: pushl %esi
; CHECK-NEXT: .cfi_def_cfa_offset 8
; CHECK-NEXT: subl $8, %esp
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: .cfi_offset %esi, -8
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %esi
; CHECK-NEXT: calll _foo2
; CHECK-NEXT: fstps (%esi)
; CHECK-NEXT: addl $8, %esp
; CHECK-NEXT: popl %esi
; CHECK-NEXT: retl
entry:
%tmp = tail call double (...) @foo2( ) ; <double> [#uses=1]
%tmp1 = fptrunc double %tmp to float ; <float> [#uses=1]
store float %tmp1, float* %P, align 4
ret void
}
declare double @foo2(...)