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TEMP=`mktemp -t temp`
cp $NAME $TEMP
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186269 91177308-0d34-0410-b5e6-96231b3b80d8
42 lines
1.1 KiB
LLVM
42 lines
1.1 KiB
LLVM
; bswap should be constant folded when it is passed a constant argument
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; RUN: opt < %s -constprop -S | FileCheck %s
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declare i16 @llvm.bswap.i16(i16)
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declare i32 @llvm.bswap.i32(i32)
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declare i64 @llvm.bswap.i64(i64)
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declare i80 @llvm.bswap.i80(i80)
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; CHECK-LABEL: define i16 @W(
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define i16 @W() {
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; CHECK: ret i16 256
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%Z = call i16 @llvm.bswap.i16( i16 1 ) ; <i16> [#uses=1]
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ret i16 %Z
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}
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; CHECK-LABEL: define i32 @X(
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define i32 @X() {
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; CHECK: ret i32 16777216
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%Z = call i32 @llvm.bswap.i32( i32 1 ) ; <i32> [#uses=1]
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ret i32 %Z
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}
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; CHECK-LABEL: define i64 @Y(
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define i64 @Y() {
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; CHECK: ret i64 72057594037927936
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%Z = call i64 @llvm.bswap.i64( i64 1 ) ; <i64> [#uses=1]
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ret i64 %Z
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}
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; CHECK-LABEL: define i80 @Z(
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define i80 @Z() {
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; CHECK: ret i80 -450681596205739728166896
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; 0xA0908070605040302010
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%Z = call i80 @llvm.bswap.i80( i80 76151636403560493650080 )
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; 0x102030405060708090A0
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ret i80 %Z
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}
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