llvm-for-llvmta/test/CodeGen/X86/2010-07-11-FPStackLoneUse.ll

29 lines
1.1 KiB
LLVM

; RUN: llc < %s -mcpu=core2
; PR7375
;
; This function contains a block (while.cond) with a lonely RFP use that is
; not a kill. We still need an FP_REG_KILL for that block since the register
; allocator will insert a reload.
;
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
target triple = "x86_64-apple-darwin10.0.0"
define void @_ZN7QVectorIdE4fillERKdi(double* nocapture %t) nounwind ssp align 2 {
entry:
%tmp2 = load double, double* %t ; <double> [#uses=1]
br i1 undef, label %if.end, label %if.then
if.then: ; preds = %entry
br i1 undef, label %if.end, label %bb.nph
while.cond: ; preds = %bb.nph, %while.cond
store double %tmp2, double* undef
br i1 undef, label %if.end, label %while.cond
bb.nph: ; preds = %if.then
br label %while.cond
if.end: ; preds = %while.cond, %if.then, %entry
ret void
}