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llvm-6502/test/CodeGen/X86/peep-test-4.ll

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Set an explicit triple for this test. This allows the test to correctly check symbol names. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181939 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-15 22:23:21 +00:00
; RUN: llc < %s -mtriple=x86_64-pc-linux -mattr=+bmi,+bmi2,+popcnt | FileCheck %s
X86: Remove redundant test instructions Increase the number of instructions LLVM recognizes as setting the ZF flag. This allows us to remove test instructions that redundantly recalculate the flag. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181937 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-15 22:03:08 +00:00
declare void @foo(i32)
X86: Remove test instructions proceeding shift by immediate instructions Allow LLVM to take advantage of shift instructions that set the ZF flag, making instructions that test the destination superfluous. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182454 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-22 08:13:02 +00:00
declare void @foo64(i64)
X86: Remove redundant test instructions Increase the number of instructions LLVM recognizes as setting the ZF flag. This allows us to remove test instructions that redundantly recalculate the flag. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181937 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-15 22:03:08 +00:00
Mass update to CodeGen tests to use CHECK-LABEL for labels corresponding to function definitions for more informative error messages. No functionality change and all updated tests passed locally. This update was done with the following bash script: find test/CodeGen -name "*.ll" | \ while read NAME; do echo "$NAME" if ! grep -q "^; *RUN: *llc.*debug" $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 sed -i '' "s/;\(.*\)-LABEL-LABEL:/;\1-LABEL:/" $TEMP sed -i '' "s/;\(.*\)-NEXT-LABEL:/;\1-NEXT:/" $TEMP sed -i '' "s/;\(.*\)-NOT-LABEL:/;\1-NOT:/" $TEMP sed -i '' "s/;\(.*\)-DAG-LABEL:/;\1-DAG:/" $TEMP mv $TEMP $NAME fi done git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186280 91177308-0d34-0410-b5e6-96231b3b80d8
2013-07-14 06:24:09 +00:00
; CHECK-LABEL: neg:
X86: Remove redundant test instructions Increase the number of instructions LLVM recognizes as setting the ZF flag. This allows us to remove test instructions that redundantly recalculate the flag. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181937 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-15 22:03:08 +00:00
; CHECK: negl %edi
; CHECK-NEXT: je
; CHECK: jmp foo
; CHECK: ret
define void @neg(i32 %x) nounwind {
%sub = sub i32 0, %x
%cmp = icmp eq i32 %sub, 0
br i1 %cmp, label %return, label %bb
bb:
tail call void @foo(i32 %sub)
br label %return
return:
ret void
}
Mass update to CodeGen tests to use CHECK-LABEL for labels corresponding to function definitions for more informative error messages. No functionality change and all updated tests passed locally. This update was done with the following bash script: find test/CodeGen -name "*.ll" | \ while read NAME; do echo "$NAME" if ! grep -q "^; *RUN: *llc.*debug" $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 sed -i '' "s/;\(.*\)-LABEL-LABEL:/;\1-LABEL:/" $TEMP sed -i '' "s/;\(.*\)-NEXT-LABEL:/;\1-NEXT:/" $TEMP sed -i '' "s/;\(.*\)-NOT-LABEL:/;\1-NOT:/" $TEMP sed -i '' "s/;\(.*\)-DAG-LABEL:/;\1-DAG:/" $TEMP mv $TEMP $NAME fi done git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186280 91177308-0d34-0410-b5e6-96231b3b80d8
2013-07-14 06:24:09 +00:00
; CHECK-LABEL: sar:
X86: Remove redundant test instructions Increase the number of instructions LLVM recognizes as setting the ZF flag. This allows us to remove test instructions that redundantly recalculate the flag. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181937 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-15 22:03:08 +00:00
; CHECK: sarl %edi
; CHECK-NEXT: je
; CHECK: jmp foo
; CHECK: ret
define void @sar(i32 %x) nounwind {
%ashr = ashr i32 %x, 1
%cmp = icmp eq i32 %ashr, 0
br i1 %cmp, label %return, label %bb
bb:
tail call void @foo(i32 %ashr)
br label %return
return:
ret void
}
Mass update to CodeGen tests to use CHECK-LABEL for labels corresponding to function definitions for more informative error messages. No functionality change and all updated tests passed locally. This update was done with the following bash script: find test/CodeGen -name "*.ll" | \ while read NAME; do echo "$NAME" if ! grep -q "^; *RUN: *llc.*debug" $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 sed -i '' "s/;\(.*\)-LABEL-LABEL:/;\1-LABEL:/" $TEMP sed -i '' "s/;\(.*\)-NEXT-LABEL:/;\1-NEXT:/" $TEMP sed -i '' "s/;\(.*\)-NOT-LABEL:/;\1-NOT:/" $TEMP sed -i '' "s/;\(.*\)-DAG-LABEL:/;\1-DAG:/" $TEMP mv $TEMP $NAME fi done git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186280 91177308-0d34-0410-b5e6-96231b3b80d8
2013-07-14 06:24:09 +00:00
; CHECK-LABEL: shr:
X86: Remove redundant test instructions Increase the number of instructions LLVM recognizes as setting the ZF flag. This allows us to remove test instructions that redundantly recalculate the flag. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181937 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-15 22:03:08 +00:00
; CHECK: shrl %edi
; CHECK-NEXT: je
; CHECK: jmp foo
; CHECK: ret
define void @shr(i32 %x) nounwind {
%ashr = lshr i32 %x, 1
%cmp = icmp eq i32 %ashr, 0
br i1 %cmp, label %return, label %bb
bb:
tail call void @foo(i32 %ashr)
br label %return
return:
ret void
}
Mass update to CodeGen tests to use CHECK-LABEL for labels corresponding to function definitions for more informative error messages. No functionality change and all updated tests passed locally. This update was done with the following bash script: find test/CodeGen -name "*.ll" | \ while read NAME; do echo "$NAME" if ! grep -q "^; *RUN: *llc.*debug" $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 sed -i '' "s/;\(.*\)-LABEL-LABEL:/;\1-LABEL:/" $TEMP sed -i '' "s/;\(.*\)-NEXT-LABEL:/;\1-NEXT:/" $TEMP sed -i '' "s/;\(.*\)-NOT-LABEL:/;\1-NOT:/" $TEMP sed -i '' "s/;\(.*\)-DAG-LABEL:/;\1-DAG:/" $TEMP mv $TEMP $NAME fi done git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186280 91177308-0d34-0410-b5e6-96231b3b80d8
2013-07-14 06:24:09 +00:00
; CHECK-LABEL: shri:
X86: Remove test instructions proceeding shift by immediate instructions Allow LLVM to take advantage of shift instructions that set the ZF flag, making instructions that test the destination superfluous. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182454 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-22 08:13:02 +00:00
; CHECK: shrl $3, %edi
; CHECK-NEXT: je
; CHECK: jmp foo
; CHECK: ret
define void @shri(i32 %x) nounwind {
%ashr = lshr i32 %x, 3
%cmp = icmp eq i32 %ashr, 0
br i1 %cmp, label %return, label %bb
bb:
tail call void @foo(i32 %ashr)
br label %return
return:
ret void
}
Mass update to CodeGen tests to use CHECK-LABEL for labels corresponding to function definitions for more informative error messages. No functionality change and all updated tests passed locally. This update was done with the following bash script: find test/CodeGen -name "*.ll" | \ while read NAME; do echo "$NAME" if ! grep -q "^; *RUN: *llc.*debug" $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 sed -i '' "s/;\(.*\)-LABEL-LABEL:/;\1-LABEL:/" $TEMP sed -i '' "s/;\(.*\)-NEXT-LABEL:/;\1-NEXT:/" $TEMP sed -i '' "s/;\(.*\)-NOT-LABEL:/;\1-NOT:/" $TEMP sed -i '' "s/;\(.*\)-DAG-LABEL:/;\1-DAG:/" $TEMP mv $TEMP $NAME fi done git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186280 91177308-0d34-0410-b5e6-96231b3b80d8
2013-07-14 06:24:09 +00:00
; CHECK-LABEL: shl:
X86: Remove redundant test instructions Increase the number of instructions LLVM recognizes as setting the ZF flag. This allows us to remove test instructions that redundantly recalculate the flag. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181937 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-15 22:03:08 +00:00
; CHECK: addl %edi, %edi
; CHECK-NEXT: je
; CHECK: jmp foo
; CHECK: ret
define void @shl(i32 %x) nounwind {
%shl = shl i32 %x, 1
%cmp = icmp eq i32 %shl, 0
br i1 %cmp, label %return, label %bb
bb:
tail call void @foo(i32 %shl)
br label %return
return:
ret void
}
Mass update to CodeGen tests to use CHECK-LABEL for labels corresponding to function definitions for more informative error messages. No functionality change and all updated tests passed locally. This update was done with the following bash script: find test/CodeGen -name "*.ll" | \ while read NAME; do echo "$NAME" if ! grep -q "^; *RUN: *llc.*debug" $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 sed -i '' "s/;\(.*\)-LABEL-LABEL:/;\1-LABEL:/" $TEMP sed -i '' "s/;\(.*\)-NEXT-LABEL:/;\1-NEXT:/" $TEMP sed -i '' "s/;\(.*\)-NOT-LABEL:/;\1-NOT:/" $TEMP sed -i '' "s/;\(.*\)-DAG-LABEL:/;\1-DAG:/" $TEMP mv $TEMP $NAME fi done git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186280 91177308-0d34-0410-b5e6-96231b3b80d8
2013-07-14 06:24:09 +00:00
; CHECK-LABEL: shli:
X86: Remove test instructions proceeding shift by immediate instructions Allow LLVM to take advantage of shift instructions that set the ZF flag, making instructions that test the destination superfluous. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182454 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-22 08:13:02 +00:00
; CHECK: shll $4, %edi
; CHECK-NEXT: je
; CHECK: jmp foo
; CHECK: ret
define void @shli(i32 %x) nounwind {
%shl = shl i32 %x, 4
%cmp = icmp eq i32 %shl, 0
br i1 %cmp, label %return, label %bb
bb:
tail call void @foo(i32 %shl)
br label %return
return:
ret void
}
Mass update to CodeGen tests to use CHECK-LABEL for labels corresponding to function definitions for more informative error messages. No functionality change and all updated tests passed locally. This update was done with the following bash script: find test/CodeGen -name "*.ll" | \ while read NAME; do echo "$NAME" if ! grep -q "^; *RUN: *llc.*debug" $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 sed -i '' "s/;\(.*\)-LABEL-LABEL:/;\1-LABEL:/" $TEMP sed -i '' "s/;\(.*\)-NEXT-LABEL:/;\1-NEXT:/" $TEMP sed -i '' "s/;\(.*\)-NOT-LABEL:/;\1-NOT:/" $TEMP sed -i '' "s/;\(.*\)-DAG-LABEL:/;\1-DAG:/" $TEMP mv $TEMP $NAME fi done git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186280 91177308-0d34-0410-b5e6-96231b3b80d8
2013-07-14 06:24:09 +00:00
; CHECK-LABEL: adc:
X86: Remove redundant test instructions Increase the number of instructions LLVM recognizes as setting the ZF flag. This allows us to remove test instructions that redundantly recalculate the flag. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181937 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-15 22:03:08 +00:00
; CHECK: movabsq $-9223372036854775808, %rax
; CHECK-NEXT: addq %rdi, %rax
; CHECK-NEXT: adcq $0, %rsi
; CHECK-NEXT: sete %al
Relax CHECK-NEXTs a bit to cope with atom's return nop padding. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181999 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-16 11:46:50 +00:00
; CHECK: ret
X86: Remove redundant test instructions Increase the number of instructions LLVM recognizes as setting the ZF flag. This allows us to remove test instructions that redundantly recalculate the flag. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181937 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-15 22:03:08 +00:00
define zeroext i1 @adc(i128 %x) nounwind {
%add = add i128 %x, 9223372036854775808
%cmp = icmp ult i128 %add, 18446744073709551616
ret i1 %cmp
}
Mass update to CodeGen tests to use CHECK-LABEL for labels corresponding to function definitions for more informative error messages. No functionality change and all updated tests passed locally. This update was done with the following bash script: find test/CodeGen -name "*.ll" | \ while read NAME; do echo "$NAME" if ! grep -q "^; *RUN: *llc.*debug" $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 sed -i '' "s/;\(.*\)-LABEL-LABEL:/;\1-LABEL:/" $TEMP sed -i '' "s/;\(.*\)-NEXT-LABEL:/;\1-NEXT:/" $TEMP sed -i '' "s/;\(.*\)-NOT-LABEL:/;\1-NOT:/" $TEMP sed -i '' "s/;\(.*\)-DAG-LABEL:/;\1-DAG:/" $TEMP mv $TEMP $NAME fi done git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186280 91177308-0d34-0410-b5e6-96231b3b80d8
2013-07-14 06:24:09 +00:00
; CHECK-LABEL: sbb:
X86: Remove redundant test instructions Increase the number of instructions LLVM recognizes as setting the ZF flag. This allows us to remove test instructions that redundantly recalculate the flag. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181937 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-15 22:03:08 +00:00
; CHECK: cmpq %rdx, %rdi
; CHECK-NEXT: sbbq %rcx, %rsi
; CHECK-NEXT: setns %al
Relax CHECK-NEXTs a bit to cope with atom's return nop padding. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181999 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-16 11:46:50 +00:00
; CHECK: ret
X86: Remove redundant test instructions Increase the number of instructions LLVM recognizes as setting the ZF flag. This allows us to remove test instructions that redundantly recalculate the flag. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181937 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-15 22:03:08 +00:00
define zeroext i1 @sbb(i128 %x, i128 %y) nounwind {
%sub = sub i128 %x, %y
%cmp = icmp sge i128 %sub, 0
ret i1 %cmp
}
Mass update to CodeGen tests to use CHECK-LABEL for labels corresponding to function definitions for more informative error messages. No functionality change and all updated tests passed locally. This update was done with the following bash script: find test/CodeGen -name "*.ll" | \ while read NAME; do echo "$NAME" if ! grep -q "^; *RUN: *llc.*debug" $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 sed -i '' "s/;\(.*\)-LABEL-LABEL:/;\1-LABEL:/" $TEMP sed -i '' "s/;\(.*\)-NEXT-LABEL:/;\1-NEXT:/" $TEMP sed -i '' "s/;\(.*\)-NOT-LABEL:/;\1-NOT:/" $TEMP sed -i '' "s/;\(.*\)-DAG-LABEL:/;\1-DAG:/" $TEMP mv $TEMP $NAME fi done git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186280 91177308-0d34-0410-b5e6-96231b3b80d8
2013-07-14 06:24:09 +00:00
; CHECK-LABEL: andn:
X86: Remove redundant test instructions Increase the number of instructions LLVM recognizes as setting the ZF flag. This allows us to remove test instructions that redundantly recalculate the flag. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181937 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-15 22:03:08 +00:00
; CHECK: andnl %esi, %edi, %edi
; CHECK-NEXT: je
; CHECK: jmp foo
; CHECK: ret
define void @andn(i32 %x, i32 %y) nounwind {
%not = xor i32 %x, -1
%andn = and i32 %y, %not
%cmp = icmp eq i32 %andn, 0
br i1 %cmp, label %return, label %bb
bb:
tail call void @foo(i32 %andn)
br label %return
return:
ret void
}
Mass update to CodeGen tests to use CHECK-LABEL for labels corresponding to function definitions for more informative error messages. No functionality change and all updated tests passed locally. This update was done with the following bash script: find test/CodeGen -name "*.ll" | \ while read NAME; do echo "$NAME" if ! grep -q "^; *RUN: *llc.*debug" $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 sed -i '' "s/;\(.*\)-LABEL-LABEL:/;\1-LABEL:/" $TEMP sed -i '' "s/;\(.*\)-NEXT-LABEL:/;\1-NEXT:/" $TEMP sed -i '' "s/;\(.*\)-NOT-LABEL:/;\1-NOT:/" $TEMP sed -i '' "s/;\(.*\)-DAG-LABEL:/;\1-DAG:/" $TEMP mv $TEMP $NAME fi done git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186280 91177308-0d34-0410-b5e6-96231b3b80d8
2013-07-14 06:24:09 +00:00
; CHECK-LABEL: bextr:
X86: Remove redundant test instructions Increase the number of instructions LLVM recognizes as setting the ZF flag. This allows us to remove test instructions that redundantly recalculate the flag. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181937 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-15 22:03:08 +00:00
; CHECK: bextrl %esi, %edi, %edi
; CHECK-NEXT: je
; CHECK: jmp foo
; CHECK: ret
declare i32 @llvm.x86.bmi.bextr.32(i32, i32) nounwind readnone
define void @bextr(i32 %x, i32 %y) nounwind {
%bextr = tail call i32 @llvm.x86.bmi.bextr.32(i32 %x, i32 %y)
%cmp = icmp eq i32 %bextr, 0
br i1 %cmp, label %return, label %bb
bb:
tail call void @foo(i32 %bextr)
br label %return
return:
ret void
}
Mass update to CodeGen tests to use CHECK-LABEL for labels corresponding to function definitions for more informative error messages. No functionality change and all updated tests passed locally. This update was done with the following bash script: find test/CodeGen -name "*.ll" | \ while read NAME; do echo "$NAME" if ! grep -q "^; *RUN: *llc.*debug" $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 sed -i '' "s/;\(.*\)-LABEL-LABEL:/;\1-LABEL:/" $TEMP sed -i '' "s/;\(.*\)-NEXT-LABEL:/;\1-NEXT:/" $TEMP sed -i '' "s/;\(.*\)-NOT-LABEL:/;\1-NOT:/" $TEMP sed -i '' "s/;\(.*\)-DAG-LABEL:/;\1-DAG:/" $TEMP mv $TEMP $NAME fi done git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186280 91177308-0d34-0410-b5e6-96231b3b80d8
2013-07-14 06:24:09 +00:00
; CHECK-LABEL: popcnt:
X86: Remove redundant test instructions Increase the number of instructions LLVM recognizes as setting the ZF flag. This allows us to remove test instructions that redundantly recalculate the flag. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181937 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-15 22:03:08 +00:00
; CHECK: popcntl
; CHECK-NEXT: je
; CHECK: jmp foo
; CHECK: ret
declare i32 @llvm.ctpop.i32(i32) nounwind readnone
define void @popcnt(i32 %x) nounwind {
%popcnt = tail call i32 @llvm.ctpop.i32(i32 %x)
%cmp = icmp eq i32 %popcnt, 0
br i1 %cmp, label %return, label %bb
;
bb:
tail call void @foo(i32 %popcnt)
br label %return
;
return:
ret void
}
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