llvm-mirror/test/Transforms/InstCombine/fold-calls.ll

; RUN: opt -instcombine -S < %s | FileCheck %s

; This shouldn't fold, because sin(inf) is invalid.
; CHECK-LABEL: @foo(
; CHECK:   %t = call double @sin(double 0x7FF0000000000000)
define double @foo() {
  %t = call double @sin(double 0x7FF0000000000000)
  ret double %t
}

; This should fold.
; CHECK-LABEL: @bar(
; CHECK:   ret double 0.0
define double @bar() {
  %t = call double @sin(double 0.0)
  ret double %t
}

declare double @sin(double)
Fix the folding of floating-point math library calls, like sin(infinity), so that it detects errors on platforms where libm doesn't set errno. It's still subject to host libm details though. llvm-svn: 114148 2010-09-17 03:38:06 +02:00			`; RUN: opt -instcombine -S < %s \| FileCheck %s`

			`; This shouldn't fold, because sin(inf) is invalid.`
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 llvm-svn: 186268 2013-07-14 03:42:54 +02:00			`; CHECK-LABEL: @foo(`
Fix the folding of floating-point math library calls, like sin(infinity), so that it detects errors on platforms where libm doesn't set errno. It's still subject to host libm details though. llvm-svn: 114148 2010-09-17 03:38:06 +02:00			`; CHECK: %t = call double @sin(double 0x7FF0000000000000)`
			`define double @foo() {`
			`%t = call double @sin(double 0x7FF0000000000000)`
			`ret double %t`
			`}`

			`; This should fold.`
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 llvm-svn: 186268 2013-07-14 03:42:54 +02:00			`; CHECK-LABEL: @bar(`
Fix this test so that folding doesn't depend on a potentially "inexact" result. llvm-svn: 114198 2010-09-17 22:15:53 +02:00			`; CHECK: ret double 0.0`
Fix the folding of floating-point math library calls, like sin(infinity), so that it detects errors on platforms where libm doesn't set errno. It's still subject to host libm details though. llvm-svn: 114148 2010-09-17 03:38:06 +02:00			`define double @bar() {`
Fix this test so that folding doesn't depend on a potentially "inexact" result. llvm-svn: 114198 2010-09-17 22:15:53 +02:00			`%t = call double @sin(double 0.0)`
Fix the folding of floating-point math library calls, like sin(infinity), so that it detects errors on platforms where libm doesn't set errno. It's still subject to host libm details though. llvm-svn: 114148 2010-09-17 03:38:06 +02:00			`ret double %t`
			`}`

			`declare double @sin(double)`