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cf082ae903
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
88 lines
2.9 KiB
LLVM
88 lines
2.9 KiB
LLVM
; RUN: opt < %s -instcombine -S | FileCheck %s
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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"
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define i32 @test1(i32 %x) {
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%tmp.1 = and i32 %x, 65535 ; <i32> [#uses=1]
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%tmp.2 = xor i32 %tmp.1, -32768 ; <i32> [#uses=1]
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%tmp.3 = add i32 %tmp.2, 32768 ; <i32> [#uses=1]
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ret i32 %tmp.3
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; CHECK-LABEL: @test1(
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; CHECK: %sext = shl i32 %x, 16
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; CHECK: %tmp.3 = ashr exact i32 %sext, 16
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; CHECK: ret i32 %tmp.3
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}
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define i32 @test2(i32 %x) {
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%tmp.1 = and i32 %x, 65535 ; <i32> [#uses=1]
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%tmp.2 = xor i32 %tmp.1, 32768 ; <i32> [#uses=1]
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%tmp.3 = add i32 %tmp.2, -32768 ; <i32> [#uses=1]
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ret i32 %tmp.3
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; CHECK-LABEL: @test2(
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; CHECK: %sext = shl i32 %x, 16
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; CHECK: %tmp.3 = ashr exact i32 %sext, 16
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; CHECK: ret i32 %tmp.3
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}
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define i32 @test3(i16 %P) {
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%tmp.1 = zext i16 %P to i32 ; <i32> [#uses=1]
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%tmp.4 = xor i32 %tmp.1, 32768 ; <i32> [#uses=1]
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%tmp.5 = add i32 %tmp.4, -32768 ; <i32> [#uses=1]
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ret i32 %tmp.5
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; CHECK-LABEL: @test3(
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; CHECK: %tmp.5 = sext i16 %P to i32
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; CHECK: ret i32 %tmp.5
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}
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define i32 @test4(i16 %P) {
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%tmp.1 = zext i16 %P to i32 ; <i32> [#uses=1]
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%tmp.4 = xor i32 %tmp.1, 32768 ; <i32> [#uses=1]
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%tmp.5 = add i32 %tmp.4, -32768 ; <i32> [#uses=1]
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ret i32 %tmp.5
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; CHECK-LABEL: @test4(
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; CHECK: %tmp.5 = sext i16 %P to i32
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; CHECK: ret i32 %tmp.5
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}
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define i32 @test5(i32 %x) {
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%tmp.1 = and i32 %x, 255 ; <i32> [#uses=1]
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%tmp.2 = xor i32 %tmp.1, 128 ; <i32> [#uses=1]
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%tmp.3 = add i32 %tmp.2, -128 ; <i32> [#uses=1]
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ret i32 %tmp.3
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; CHECK-LABEL: @test5(
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; CHECK: %sext = shl i32 %x, 24
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; CHECK: %tmp.3 = ashr exact i32 %sext, 24
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; CHECK: ret i32 %tmp.3
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}
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define i32 @test6(i32 %x) {
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%tmp.2 = shl i32 %x, 16 ; <i32> [#uses=1]
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%tmp.4 = ashr i32 %tmp.2, 16 ; <i32> [#uses=1]
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ret i32 %tmp.4
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; CHECK-LABEL: @test6(
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; CHECK: %tmp.2 = shl i32 %x, 16
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; CHECK: %tmp.4 = ashr exact i32 %tmp.2, 16
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; CHECK: ret i32 %tmp.4
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}
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define i32 @test7(i16 %P) {
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%tmp.1 = zext i16 %P to i32 ; <i32> [#uses=1]
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%sext1 = shl i32 %tmp.1, 16 ; <i32> [#uses=1]
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%tmp.5 = ashr i32 %sext1, 16 ; <i32> [#uses=1]
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ret i32 %tmp.5
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; CHECK-LABEL: @test7(
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; CHECK: %tmp.5 = sext i16 %P to i32
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; CHECK: ret i32 %tmp.5
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}
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define i32 @test8(i32 %x) nounwind readnone {
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entry:
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%shr = lshr i32 %x, 5 ; <i32> [#uses=1]
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%xor = xor i32 %shr, 67108864 ; <i32> [#uses=1]
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%sub = add i32 %xor, -67108864 ; <i32> [#uses=1]
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ret i32 %sub
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; CHECK-LABEL: @test8(
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; CHECK: %sub = ashr i32 %x, 5
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; CHECK: ret i32 %sub
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}
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