llvm/test/CodeGen/X86/fcmove.ll
Pete Cooper 224f06e5dd Change x86 CMOVE_F to read it source, not write it.
This was breaking sqlite with the machine verifier because operand 0 was a def according to tablegen, but didn't have the 'isDef' flag set.

Looking at the ISA, its clear that this operand is a source as writing to st(0) is implicit.  So move the operand to the correct place in the td file.

rdar://problem/20751584

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236183 91177308-0d34-0410-b5e6-96231b3b80d8
2015-04-29 23:51:33 +00:00

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492 B
LLVM

; RUN: llc %s -o - -verify-machineinstrs | FileCheck %s
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-unknown"
; Test that we can generate an fcmove, and also that it passes verification.
; CHECK-LABEL: cmove_f
; CHECK: fcmove %st({{[0-7]}}), %st(0)
define x86_fp80 @cmove_f(x86_fp80 %a, x86_fp80 %b, i32 %c) {
%test = icmp eq i32 %c, 0
%add = fadd x86_fp80 %a, %b
%ret = select i1 %test, x86_fp80 %add, x86_fp80 %b
ret x86_fp80 %ret
}