llvm-6502/test/Transforms/InstSimplify/floating-point-arithmetic.ll
Stephen Lin 39f4e8d9cc Update Transforms tests to use CHECK-LABEL for easier debugging. No functionality change.
This update was done with the following bash script:

  find test/Transforms -name "*.ll" | \
  while read NAME; do
    echo "$NAME"
    if ! grep -q "^; *RUN: *llc" $NAME; then
      TEMP=`mktemp -t temp`
      cp $NAME $TEMP
      sed -n "s/^define [^@]*@\([A-Za-z0-9_]*\)(.*$/\1/p" < $NAME | \
      while read FUNC; do
        sed -i '' "s/;\(.*\)\([A-Za-z0-9_]*\):\( *\)@$FUNC\([( ]*\)\$/;\1\2-LABEL:\3@$FUNC(/g" $TEMP
      done
      mv $TEMP $NAME
    fi
  done


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186268 91177308-0d34-0410-b5e6-96231b3b80d8
2013-07-14 01:42:54 +00:00

36 lines
743 B
LLVM

; RUN: opt < %s -instsimplify -S | FileCheck %s
; fsub 0, (fsub 0, X) ==> X
; CHECK-LABEL: @fsub_0_0_x(
define float @fsub_0_0_x(float %a) {
%t1 = fsub float -0.0, %a
%ret = fsub float -0.0, %t1
; CHECK: ret float %a
ret float %ret
}
; fsub X, 0 ==> X
; CHECK-LABEL: @fsub_x_0(
define float @fsub_x_0(float %a) {
%ret = fsub float %a, 0.0
; CHECK: ret float %a
ret float %ret
}
; fadd X, -0 ==> X
; CHECK-LABEL: @fadd_x_n0(
define float @fadd_x_n0(float %a) {
%ret = fadd float %a, -0.0
; CHECK: ret float %a
ret float %ret
}
; fmul X, 1.0 ==> X
; CHECK-LABEL: @fmul_X_1(
define double @fmul_X_1(double %a) {
%b = fmul double 1.000000e+00, %a ; <double> [#uses=1]
; CHECK: ret double %a
ret double %b
}