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llvm-project/llvm/test/CodeGen/X86/compare-inf.ll

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Convert comparisons like (x == infinity) to (x >= infinity) on targets where FCMP_OEQ is not legal and FCMP_OGE is, such as x86. llvm-svn: 82861
2009-09-26 23:24:17 +08:00
; RUN: llc < %s -march=x86-64 | FileCheck %s
; Convert oeq and une to ole/oge/ule/uge when comparing with infinity
; and negative infinity, because those are more efficient on x86.
X86: Turn fp selects into mask operations. double test(double a, double b, double c, double d) { return a<b ? c : d; } before: _test: ucomisd %xmm0, %xmm1 ja LBB0_2 movaps %xmm3, %xmm2 LBB0_2: movaps %xmm2, %xmm0 after: _test: cmpltsd %xmm1, %xmm0 andpd %xmm0, %xmm2 andnpd %xmm3, %xmm0 orpd %xmm2, %xmm0 Small speedup on Benchmarks/SmallPT llvm-svn: 187706
2013-08-04 20:05:16 +08:00
declare void @f() nounwind
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 llvm-svn: 186280
2013-07-14 14:24:09 +08:00
; CHECK-LABEL: oeq_inff:
Convert comparisons like (x == infinity) to (x >= infinity) on targets where FCMP_OEQ is not legal and FCMP_OGE is, such as x86. llvm-svn: 82861
2009-09-26 23:24:17 +08:00
; CHECK: ucomiss
Enable machine sinking critical edge splitting. e.g. define double @foo(double %x, double %y, i1 %c) nounwind { %a = fdiv double %x, 3.2 %z = select i1 %c, double %a, double %y ret double %z } Was: _foo: divsd LCPI0_0(%rip), %xmm0 testb $1, %dil jne LBB0_2 movaps %xmm1, %xmm0 LBB0_2: ret Now: _foo: testb $1, %dil je LBB0_2 divsd LCPI0_0(%rip), %xmm0 ret LBB0_2: movaps %xmm1, %xmm0 ret This avoids the divsd when early exit is taken. rdar://8454886 llvm-svn: 114372
2010-09-21 06:52:00 +08:00
; CHECK: jb
X86: Turn fp selects into mask operations. double test(double a, double b, double c, double d) { return a<b ? c : d; } before: _test: ucomisd %xmm0, %xmm1 ja LBB0_2 movaps %xmm3, %xmm2 LBB0_2: movaps %xmm2, %xmm0 after: _test: cmpltsd %xmm1, %xmm0 andpd %xmm0, %xmm2 andnpd %xmm3, %xmm0 orpd %xmm2, %xmm0 Small speedup on Benchmarks/SmallPT llvm-svn: 187706
2013-08-04 20:05:16 +08:00
define void @oeq_inff(float %x) nounwind {
Convert comparisons like (x == infinity) to (x >= infinity) on targets where FCMP_OEQ is not legal and FCMP_OGE is, such as x86. llvm-svn: 82861
2009-09-26 23:24:17 +08:00
%t0 = fcmp oeq float %x, 0x7FF0000000000000
X86: Turn fp selects into mask operations. double test(double a, double b, double c, double d) { return a<b ? c : d; } before: _test: ucomisd %xmm0, %xmm1 ja LBB0_2 movaps %xmm3, %xmm2 LBB0_2: movaps %xmm2, %xmm0 after: _test: cmpltsd %xmm1, %xmm0 andpd %xmm0, %xmm2 andnpd %xmm3, %xmm0 orpd %xmm2, %xmm0 Small speedup on Benchmarks/SmallPT llvm-svn: 187706
2013-08-04 20:05:16 +08:00
br i1 %t0, label %true, label %false
true:
call void @f() nounwind
br label %false
false:
ret void
Convert comparisons like (x == infinity) to (x >= infinity) on targets where FCMP_OEQ is not legal and FCMP_OGE is, such as x86. llvm-svn: 82861
2009-09-26 23:24:17 +08:00
}
Mass update to CodeGen tests to use CHECK-LABEL for labels corresponding to function definitions for more informative error messages. No functionality change and all updated tests passed locally. This update was done with the following bash script: find test/CodeGen -name "*.ll" | \ while read NAME; do echo "$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 llvm-svn: 186280
2013-07-14 14:24:09 +08:00
; CHECK-LABEL: oeq_inf:
Convert comparisons like (x == infinity) to (x >= infinity) on targets where FCMP_OEQ is not legal and FCMP_OGE is, such as x86. llvm-svn: 82861
2009-09-26 23:24:17 +08:00
; CHECK: ucomisd
Enable machine sinking critical edge splitting. e.g. define double @foo(double %x, double %y, i1 %c) nounwind { %a = fdiv double %x, 3.2 %z = select i1 %c, double %a, double %y ret double %z } Was: _foo: divsd LCPI0_0(%rip), %xmm0 testb $1, %dil jne LBB0_2 movaps %xmm1, %xmm0 LBB0_2: ret Now: _foo: testb $1, %dil je LBB0_2 divsd LCPI0_0(%rip), %xmm0 ret LBB0_2: movaps %xmm1, %xmm0 ret This avoids the divsd when early exit is taken. rdar://8454886 llvm-svn: 114372
2010-09-21 06:52:00 +08:00
; CHECK: jb
X86: Turn fp selects into mask operations. double test(double a, double b, double c, double d) { return a<b ? c : d; } before: _test: ucomisd %xmm0, %xmm1 ja LBB0_2 movaps %xmm3, %xmm2 LBB0_2: movaps %xmm2, %xmm0 after: _test: cmpltsd %xmm1, %xmm0 andpd %xmm0, %xmm2 andnpd %xmm3, %xmm0 orpd %xmm2, %xmm0 Small speedup on Benchmarks/SmallPT llvm-svn: 187706
2013-08-04 20:05:16 +08:00
define void @oeq_inf(double %x) nounwind {
Convert comparisons like (x == infinity) to (x >= infinity) on targets where FCMP_OEQ is not legal and FCMP_OGE is, such as x86. llvm-svn: 82861
2009-09-26 23:24:17 +08:00
%t0 = fcmp oeq double %x, 0x7FF0000000000000
X86: Turn fp selects into mask operations. double test(double a, double b, double c, double d) { return a<b ? c : d; } before: _test: ucomisd %xmm0, %xmm1 ja LBB0_2 movaps %xmm3, %xmm2 LBB0_2: movaps %xmm2, %xmm0 after: _test: cmpltsd %xmm1, %xmm0 andpd %xmm0, %xmm2 andnpd %xmm3, %xmm0 orpd %xmm2, %xmm0 Small speedup on Benchmarks/SmallPT llvm-svn: 187706
2013-08-04 20:05:16 +08:00
br i1 %t0, label %true, label %false
true:
call void @f() nounwind
br label %false
false:
ret void
Convert comparisons like (x == infinity) to (x >= infinity) on targets where FCMP_OEQ is not legal and FCMP_OGE is, such as x86. llvm-svn: 82861
2009-09-26 23:24:17 +08:00
}
Mass update to CodeGen tests to use CHECK-LABEL for labels corresponding to function definitions for more informative error messages. No functionality change and all updated tests passed locally. This update was done with the following bash script: find test/CodeGen -name "*.ll" | \ while read NAME; do echo "$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 llvm-svn: 186280
2013-07-14 14:24:09 +08:00
; CHECK-LABEL: une_inff:
Convert comparisons like (x == infinity) to (x >= infinity) on targets where FCMP_OEQ is not legal and FCMP_OGE is, such as x86. llvm-svn: 82861
2009-09-26 23:24:17 +08:00
; CHECK: ucomiss
Enable machine sinking critical edge splitting. e.g. define double @foo(double %x, double %y, i1 %c) nounwind { %a = fdiv double %x, 3.2 %z = select i1 %c, double %a, double %y ret double %z } Was: _foo: divsd LCPI0_0(%rip), %xmm0 testb $1, %dil jne LBB0_2 movaps %xmm1, %xmm0 LBB0_2: ret Now: _foo: testb $1, %dil je LBB0_2 divsd LCPI0_0(%rip), %xmm0 ret LBB0_2: movaps %xmm1, %xmm0 ret This avoids the divsd when early exit is taken. rdar://8454886 llvm-svn: 114372
2010-09-21 06:52:00 +08:00
; CHECK: jae
X86: Turn fp selects into mask operations. double test(double a, double b, double c, double d) { return a<b ? c : d; } before: _test: ucomisd %xmm0, %xmm1 ja LBB0_2 movaps %xmm3, %xmm2 LBB0_2: movaps %xmm2, %xmm0 after: _test: cmpltsd %xmm1, %xmm0 andpd %xmm0, %xmm2 andnpd %xmm3, %xmm0 orpd %xmm2, %xmm0 Small speedup on Benchmarks/SmallPT llvm-svn: 187706
2013-08-04 20:05:16 +08:00
define void @une_inff(float %x) nounwind {
Convert comparisons like (x == infinity) to (x >= infinity) on targets where FCMP_OEQ is not legal and FCMP_OGE is, such as x86. llvm-svn: 82861
2009-09-26 23:24:17 +08:00
%t0 = fcmp une float %x, 0x7FF0000000000000
X86: Turn fp selects into mask operations. double test(double a, double b, double c, double d) { return a<b ? c : d; } before: _test: ucomisd %xmm0, %xmm1 ja LBB0_2 movaps %xmm3, %xmm2 LBB0_2: movaps %xmm2, %xmm0 after: _test: cmpltsd %xmm1, %xmm0 andpd %xmm0, %xmm2 andnpd %xmm3, %xmm0 orpd %xmm2, %xmm0 Small speedup on Benchmarks/SmallPT llvm-svn: 187706
2013-08-04 20:05:16 +08:00
br i1 %t0, label %true, label %false
true:
call void @f() nounwind
br label %false
false:
ret void
Convert comparisons like (x == infinity) to (x >= infinity) on targets where FCMP_OEQ is not legal and FCMP_OGE is, such as x86. llvm-svn: 82861
2009-09-26 23:24:17 +08:00
}
Mass update to CodeGen tests to use CHECK-LABEL for labels corresponding to function definitions for more informative error messages. No functionality change and all updated tests passed locally. This update was done with the following bash script: find test/CodeGen -name "*.ll" | \ while read NAME; do echo "$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 llvm-svn: 186280
2013-07-14 14:24:09 +08:00
; CHECK-LABEL: une_inf:
Convert comparisons like (x == infinity) to (x >= infinity) on targets where FCMP_OEQ is not legal and FCMP_OGE is, such as x86. llvm-svn: 82861
2009-09-26 23:24:17 +08:00
; CHECK: ucomisd
Enable machine sinking critical edge splitting. e.g. define double @foo(double %x, double %y, i1 %c) nounwind { %a = fdiv double %x, 3.2 %z = select i1 %c, double %a, double %y ret double %z } Was: _foo: divsd LCPI0_0(%rip), %xmm0 testb $1, %dil jne LBB0_2 movaps %xmm1, %xmm0 LBB0_2: ret Now: _foo: testb $1, %dil je LBB0_2 divsd LCPI0_0(%rip), %xmm0 ret LBB0_2: movaps %xmm1, %xmm0 ret This avoids the divsd when early exit is taken. rdar://8454886 llvm-svn: 114372
2010-09-21 06:52:00 +08:00
; CHECK: jae
X86: Turn fp selects into mask operations. double test(double a, double b, double c, double d) { return a<b ? c : d; } before: _test: ucomisd %xmm0, %xmm1 ja LBB0_2 movaps %xmm3, %xmm2 LBB0_2: movaps %xmm2, %xmm0 after: _test: cmpltsd %xmm1, %xmm0 andpd %xmm0, %xmm2 andnpd %xmm3, %xmm0 orpd %xmm2, %xmm0 Small speedup on Benchmarks/SmallPT llvm-svn: 187706
2013-08-04 20:05:16 +08:00
define void @une_inf(double %x) nounwind {
Convert comparisons like (x == infinity) to (x >= infinity) on targets where FCMP_OEQ is not legal and FCMP_OGE is, such as x86. llvm-svn: 82861
2009-09-26 23:24:17 +08:00
%t0 = fcmp une double %x, 0x7FF0000000000000
X86: Turn fp selects into mask operations. double test(double a, double b, double c, double d) { return a<b ? c : d; } before: _test: ucomisd %xmm0, %xmm1 ja LBB0_2 movaps %xmm3, %xmm2 LBB0_2: movaps %xmm2, %xmm0 after: _test: cmpltsd %xmm1, %xmm0 andpd %xmm0, %xmm2 andnpd %xmm3, %xmm0 orpd %xmm2, %xmm0 Small speedup on Benchmarks/SmallPT llvm-svn: 187706
2013-08-04 20:05:16 +08:00
br i1 %t0, label %true, label %false
true:
call void @f() nounwind
br label %false
false:
ret void
Convert comparisons like (x == infinity) to (x >= infinity) on targets where FCMP_OEQ is not legal and FCMP_OGE is, such as x86. llvm-svn: 82861
2009-09-26 23:24:17 +08:00
}
Mass update to CodeGen tests to use CHECK-LABEL for labels corresponding to function definitions for more informative error messages. No functionality change and all updated tests passed locally. This update was done with the following bash script: find test/CodeGen -name "*.ll" | \ while read NAME; do echo "$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 llvm-svn: 186280
2013-07-14 14:24:09 +08:00
; CHECK-LABEL: oeq_neg_inff:
Convert comparisons like (x == infinity) to (x >= infinity) on targets where FCMP_OEQ is not legal and FCMP_OGE is, such as x86. llvm-svn: 82861
2009-09-26 23:24:17 +08:00
; CHECK: ucomiss
Enable machine sinking critical edge splitting. e.g. define double @foo(double %x, double %y, i1 %c) nounwind { %a = fdiv double %x, 3.2 %z = select i1 %c, double %a, double %y ret double %z } Was: _foo: divsd LCPI0_0(%rip), %xmm0 testb $1, %dil jne LBB0_2 movaps %xmm1, %xmm0 LBB0_2: ret Now: _foo: testb $1, %dil je LBB0_2 divsd LCPI0_0(%rip), %xmm0 ret LBB0_2: movaps %xmm1, %xmm0 ret This avoids the divsd when early exit is taken. rdar://8454886 llvm-svn: 114372
2010-09-21 06:52:00 +08:00
; CHECK: jb
X86: Turn fp selects into mask operations. double test(double a, double b, double c, double d) { return a<b ? c : d; } before: _test: ucomisd %xmm0, %xmm1 ja LBB0_2 movaps %xmm3, %xmm2 LBB0_2: movaps %xmm2, %xmm0 after: _test: cmpltsd %xmm1, %xmm0 andpd %xmm0, %xmm2 andnpd %xmm3, %xmm0 orpd %xmm2, %xmm0 Small speedup on Benchmarks/SmallPT llvm-svn: 187706
2013-08-04 20:05:16 +08:00
define void @oeq_neg_inff(float %x) nounwind {
Convert comparisons like (x == infinity) to (x >= infinity) on targets where FCMP_OEQ is not legal and FCMP_OGE is, such as x86. llvm-svn: 82861
2009-09-26 23:24:17 +08:00
%t0 = fcmp oeq float %x, 0xFFF0000000000000
X86: Turn fp selects into mask operations. double test(double a, double b, double c, double d) { return a<b ? c : d; } before: _test: ucomisd %xmm0, %xmm1 ja LBB0_2 movaps %xmm3, %xmm2 LBB0_2: movaps %xmm2, %xmm0 after: _test: cmpltsd %xmm1, %xmm0 andpd %xmm0, %xmm2 andnpd %xmm3, %xmm0 orpd %xmm2, %xmm0 Small speedup on Benchmarks/SmallPT llvm-svn: 187706
2013-08-04 20:05:16 +08:00
br i1 %t0, label %true, label %false
true:
call void @f() nounwind
br label %false
false:
ret void
Convert comparisons like (x == infinity) to (x >= infinity) on targets where FCMP_OEQ is not legal and FCMP_OGE is, such as x86. llvm-svn: 82861
2009-09-26 23:24:17 +08:00
}
Mass update to CodeGen tests to use CHECK-LABEL for labels corresponding to function definitions for more informative error messages. No functionality change and all updated tests passed locally. This update was done with the following bash script: find test/CodeGen -name "*.ll" | \ while read NAME; do echo "$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 llvm-svn: 186280
2013-07-14 14:24:09 +08:00
; CHECK-LABEL: oeq_neg_inf:
Convert comparisons like (x == infinity) to (x >= infinity) on targets where FCMP_OEQ is not legal and FCMP_OGE is, such as x86. llvm-svn: 82861
2009-09-26 23:24:17 +08:00
; CHECK: ucomisd
Enable machine sinking critical edge splitting. e.g. define double @foo(double %x, double %y, i1 %c) nounwind { %a = fdiv double %x, 3.2 %z = select i1 %c, double %a, double %y ret double %z } Was: _foo: divsd LCPI0_0(%rip), %xmm0 testb $1, %dil jne LBB0_2 movaps %xmm1, %xmm0 LBB0_2: ret Now: _foo: testb $1, %dil je LBB0_2 divsd LCPI0_0(%rip), %xmm0 ret LBB0_2: movaps %xmm1, %xmm0 ret This avoids the divsd when early exit is taken. rdar://8454886 llvm-svn: 114372
2010-09-21 06:52:00 +08:00
; CHECK: jb
X86: Turn fp selects into mask operations. double test(double a, double b, double c, double d) { return a<b ? c : d; } before: _test: ucomisd %xmm0, %xmm1 ja LBB0_2 movaps %xmm3, %xmm2 LBB0_2: movaps %xmm2, %xmm0 after: _test: cmpltsd %xmm1, %xmm0 andpd %xmm0, %xmm2 andnpd %xmm3, %xmm0 orpd %xmm2, %xmm0 Small speedup on Benchmarks/SmallPT llvm-svn: 187706
2013-08-04 20:05:16 +08:00
define void @oeq_neg_inf(double %x) nounwind {
Convert comparisons like (x == infinity) to (x >= infinity) on targets where FCMP_OEQ is not legal and FCMP_OGE is, such as x86. llvm-svn: 82861
2009-09-26 23:24:17 +08:00
%t0 = fcmp oeq double %x, 0xFFF0000000000000
X86: Turn fp selects into mask operations. double test(double a, double b, double c, double d) { return a<b ? c : d; } before: _test: ucomisd %xmm0, %xmm1 ja LBB0_2 movaps %xmm3, %xmm2 LBB0_2: movaps %xmm2, %xmm0 after: _test: cmpltsd %xmm1, %xmm0 andpd %xmm0, %xmm2 andnpd %xmm3, %xmm0 orpd %xmm2, %xmm0 Small speedup on Benchmarks/SmallPT llvm-svn: 187706
2013-08-04 20:05:16 +08:00
br i1 %t0, label %true, label %false
true:
call void @f() nounwind
br label %false
false:
ret void
Convert comparisons like (x == infinity) to (x >= infinity) on targets where FCMP_OEQ is not legal and FCMP_OGE is, such as x86. llvm-svn: 82861
2009-09-26 23:24:17 +08:00
}
Mass update to CodeGen tests to use CHECK-LABEL for labels corresponding to function definitions for more informative error messages. No functionality change and all updated tests passed locally. This update was done with the following bash script: find test/CodeGen -name "*.ll" | \ while read NAME; do echo "$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 llvm-svn: 186280
2013-07-14 14:24:09 +08:00
; CHECK-LABEL: une_neg_inff:
Convert comparisons like (x == infinity) to (x >= infinity) on targets where FCMP_OEQ is not legal and FCMP_OGE is, such as x86. llvm-svn: 82861
2009-09-26 23:24:17 +08:00
; CHECK: ucomiss
Enable machine sinking critical edge splitting. e.g. define double @foo(double %x, double %y, i1 %c) nounwind { %a = fdiv double %x, 3.2 %z = select i1 %c, double %a, double %y ret double %z } Was: _foo: divsd LCPI0_0(%rip), %xmm0 testb $1, %dil jne LBB0_2 movaps %xmm1, %xmm0 LBB0_2: ret Now: _foo: testb $1, %dil je LBB0_2 divsd LCPI0_0(%rip), %xmm0 ret LBB0_2: movaps %xmm1, %xmm0 ret This avoids the divsd when early exit is taken. rdar://8454886 llvm-svn: 114372
2010-09-21 06:52:00 +08:00
; CHECK: jae
X86: Turn fp selects into mask operations. double test(double a, double b, double c, double d) { return a<b ? c : d; } before: _test: ucomisd %xmm0, %xmm1 ja LBB0_2 movaps %xmm3, %xmm2 LBB0_2: movaps %xmm2, %xmm0 after: _test: cmpltsd %xmm1, %xmm0 andpd %xmm0, %xmm2 andnpd %xmm3, %xmm0 orpd %xmm2, %xmm0 Small speedup on Benchmarks/SmallPT llvm-svn: 187706
2013-08-04 20:05:16 +08:00
define void @une_neg_inff(float %x) nounwind {
Convert comparisons like (x == infinity) to (x >= infinity) on targets where FCMP_OEQ is not legal and FCMP_OGE is, such as x86. llvm-svn: 82861
2009-09-26 23:24:17 +08:00
%t0 = fcmp une float %x, 0xFFF0000000000000
X86: Turn fp selects into mask operations. double test(double a, double b, double c, double d) { return a<b ? c : d; } before: _test: ucomisd %xmm0, %xmm1 ja LBB0_2 movaps %xmm3, %xmm2 LBB0_2: movaps %xmm2, %xmm0 after: _test: cmpltsd %xmm1, %xmm0 andpd %xmm0, %xmm2 andnpd %xmm3, %xmm0 orpd %xmm2, %xmm0 Small speedup on Benchmarks/SmallPT llvm-svn: 187706
2013-08-04 20:05:16 +08:00
br i1 %t0, label %true, label %false
true:
call void @f() nounwind
br label %false
false:
ret void
Convert comparisons like (x == infinity) to (x >= infinity) on targets where FCMP_OEQ is not legal and FCMP_OGE is, such as x86. llvm-svn: 82861
2009-09-26 23:24:17 +08:00
}
Mass update to CodeGen tests to use CHECK-LABEL for labels corresponding to function definitions for more informative error messages. No functionality change and all updated tests passed locally. This update was done with the following bash script: find test/CodeGen -name "*.ll" | \ while read NAME; do echo "$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 llvm-svn: 186280
2013-07-14 14:24:09 +08:00
; CHECK-LABEL: une_neg_inf:
Convert comparisons like (x == infinity) to (x >= infinity) on targets where FCMP_OEQ is not legal and FCMP_OGE is, such as x86. llvm-svn: 82861
2009-09-26 23:24:17 +08:00
; CHECK: ucomisd
Enable machine sinking critical edge splitting. e.g. define double @foo(double %x, double %y, i1 %c) nounwind { %a = fdiv double %x, 3.2 %z = select i1 %c, double %a, double %y ret double %z } Was: _foo: divsd LCPI0_0(%rip), %xmm0 testb $1, %dil jne LBB0_2 movaps %xmm1, %xmm0 LBB0_2: ret Now: _foo: testb $1, %dil je LBB0_2 divsd LCPI0_0(%rip), %xmm0 ret LBB0_2: movaps %xmm1, %xmm0 ret This avoids the divsd when early exit is taken. rdar://8454886 llvm-svn: 114372
2010-09-21 06:52:00 +08:00
; CHECK: jae
X86: Turn fp selects into mask operations. double test(double a, double b, double c, double d) { return a<b ? c : d; } before: _test: ucomisd %xmm0, %xmm1 ja LBB0_2 movaps %xmm3, %xmm2 LBB0_2: movaps %xmm2, %xmm0 after: _test: cmpltsd %xmm1, %xmm0 andpd %xmm0, %xmm2 andnpd %xmm3, %xmm0 orpd %xmm2, %xmm0 Small speedup on Benchmarks/SmallPT llvm-svn: 187706
2013-08-04 20:05:16 +08:00
define void @une_neg_inf(double %x) nounwind {
Convert comparisons like (x == infinity) to (x >= infinity) on targets where FCMP_OEQ is not legal and FCMP_OGE is, such as x86. llvm-svn: 82861
2009-09-26 23:24:17 +08:00
%t0 = fcmp une double %x, 0xFFF0000000000000
X86: Turn fp selects into mask operations. double test(double a, double b, double c, double d) { return a<b ? c : d; } before: _test: ucomisd %xmm0, %xmm1 ja LBB0_2 movaps %xmm3, %xmm2 LBB0_2: movaps %xmm2, %xmm0 after: _test: cmpltsd %xmm1, %xmm0 andpd %xmm0, %xmm2 andnpd %xmm3, %xmm0 orpd %xmm2, %xmm0 Small speedup on Benchmarks/SmallPT llvm-svn: 187706
2013-08-04 20:05:16 +08:00
br i1 %t0, label %true, label %false
true:
call void @f() nounwind
br label %false
false:
ret void
Convert comparisons like (x == infinity) to (x >= infinity) on targets where FCMP_OEQ is not legal and FCMP_OGE is, such as x86. llvm-svn: 82861
2009-09-26 23:24:17 +08:00
}