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-rw-r--r--llvm/lib/Analysis/InstructionSimplify.cpp8
-rw-r--r--llvm/test/Transforms/InstSimplify/log-exp-intrinsic.ll93
2 files changed, 50 insertions, 51 deletions
diff --git a/llvm/lib/Analysis/InstructionSimplify.cpp b/llvm/lib/Analysis/InstructionSimplify.cpp
index b81ecc83c05..43fbeb88ea2 100644
--- a/llvm/lib/Analysis/InstructionSimplify.cpp
+++ b/llvm/lib/Analysis/InstructionSimplify.cpp
@@ -4571,28 +4571,28 @@ static Value *SimplifyIntrinsic(Function *F, IterTy ArgBegin, IterTy ArgEnd,
}
case Intrinsic::exp: {
// exp(log(x)) -> x
- if (Q.CxtI->isFast() &&
+ if (Q.CxtI->hasAllowReassoc() &&
match(IIOperand, m_Intrinsic<Intrinsic::log>(m_Value(X))))
return X;
return nullptr;
}
case Intrinsic::exp2: {
// exp2(log2(x)) -> x
- if (Q.CxtI->isFast() &&
+ if (Q.CxtI->hasAllowReassoc() &&
match(IIOperand, m_Intrinsic<Intrinsic::log2>(m_Value(X))))
return X;
return nullptr;
}
case Intrinsic::log: {
// log(exp(x)) -> x
- if (Q.CxtI->isFast() &&
+ if (Q.CxtI->hasAllowReassoc() &&
match(IIOperand, m_Intrinsic<Intrinsic::exp>(m_Value(X))))
return X;
return nullptr;
}
case Intrinsic::log2: {
// log2(exp2(x)) -> x
- if (Q.CxtI->isFast() &&
+ if (Q.CxtI->hasAllowReassoc() &&
match(IIOperand, m_Intrinsic<Intrinsic::exp2>(m_Value(X)))) {
return X;
}
diff --git a/llvm/test/Transforms/InstSimplify/log-exp-intrinsic.ll b/llvm/test/Transforms/InstSimplify/log-exp-intrinsic.ll
index f91e4f093b7..826ec42b31c 100644
--- a/llvm/test/Transforms/InstSimplify/log-exp-intrinsic.ll
+++ b/llvm/test/Transforms/InstSimplify/log-exp-intrinsic.ll
@@ -3,23 +3,25 @@
declare double @llvm.log.f64(double)
declare double @llvm.exp.f64(double)
+declare double @llvm.log2.f64(double)
+declare double @llvm.exp2.f64(double)
-define double @log_fast_exp_strict(double %a) {
-; CHECK-LABEL: @log_fast_exp_strict(
+define double @log_reassoc_exp_strict(double %a) {
+; CHECK-LABEL: @log_reassoc_exp_strict(
; CHECK-NEXT: ret double [[A:%.*]]
;
%1 = call double @llvm.exp.f64(double %a)
- %2 = call fast double @llvm.log.f64(double %1)
+ %2 = call reassoc double @llvm.log.f64(double %1)
ret double %2
}
-define double @log_strict_exp_fast(double %a) {
-; CHECK-LABEL: @log_strict_exp_fast(
-; CHECK-NEXT: [[TMP1:%.*]] = call fast double @llvm.exp.f64(double [[A:%.*]])
+define double @log_strict_exp_reassoc(double %a) {
+; CHECK-LABEL: @log_strict_exp_reassoc(
+; CHECK-NEXT: [[TMP1:%.*]] = call reassoc double @llvm.exp.f64(double [[A:%.*]])
; CHECK-NEXT: [[TMP2:%.*]] = call double @llvm.log.f64(double [[TMP1]])
; CHECK-NEXT: ret double [[TMP2]]
;
- %1 = call fast double @llvm.exp.f64(double %a)
+ %1 = call reassoc double @llvm.exp.f64(double %a)
%2 = call double @llvm.log.f64(double %1)
ret double %2
}
@@ -39,36 +41,33 @@ define double @log_exp_log_exp(double %a) {
ret double %4
}
-define double @log_exp_log_exp_fast(double %a) {
-; CHECK-LABEL: @log_exp_log_exp_fast(
+define double @log_exp_log_exp_reassoc(double %a) {
+; CHECK-LABEL: @log_exp_log_exp_reassoc(
; CHECK-NEXT: ret double [[A:%.*]]
;
%1 = call double @llvm.exp.f64(double %a)
- %2 = call fast double @llvm.log.f64(double %1)
+ %2 = call reassoc double @llvm.log.f64(double %1)
%3 = call double @llvm.exp.f64(double %2)
- %4 = call fast double @llvm.log.f64(double %3)
+ %4 = call reassoc double @llvm.log.f64(double %3)
ret double %4
}
-declare double @llvm.log2.f64(double)
-declare double @llvm.exp2.f64(double)
-
-define double @log2_fast_exp2_strict(double %a) {
-; CHECK-LABEL: @log2_fast_exp2_strict(
+define double @log2_reassoc_exp2_strict(double %a) {
+; CHECK-LABEL: @log2_reassoc_exp2_strict(
; CHECK-NEXT: ret double [[A:%.*]]
;
%1 = call double @llvm.exp2.f64(double %a)
- %2 = call fast double @llvm.log2.f64(double %1)
+ %2 = call reassoc double @llvm.log2.f64(double %1)
ret double %2
}
-define double @log2_strict_exp2_fast(double %a) {
-; CHECK-LABEL: @log2_strict_exp2_fast(
-; CHECK-NEXT: [[TMP1:%.*]] = call fast double @llvm.exp2.f64(double [[A:%.*]])
+define double @log2_strict_exp2_reassoc(double %a) {
+; CHECK-LABEL: @log2_strict_exp2_reassoc(
+; CHECK-NEXT: [[TMP1:%.*]] = call reassoc double @llvm.exp2.f64(double [[A:%.*]])
; CHECK-NEXT: [[TMP2:%.*]] = call double @llvm.log2.f64(double [[TMP1]])
; CHECK-NEXT: ret double [[TMP2]]
;
- %1 = call fast double @llvm.exp2.f64(double %a)
+ %1 = call reassoc double @llvm.exp2.f64(double %a)
%2 = call double @llvm.log2.f64(double %1)
ret double %2
}
@@ -88,33 +87,33 @@ define double @log2_exp2_log2_exp2(double %a) {
ret double %4
}
-define double @log2_exp2_log2_exp2_fast(double %a) {
-; CHECK-LABEL: @log2_exp2_log2_exp2_fast(
+define double @log2_exp2_log2_exp2_reassoc(double %a) {
+; CHECK-LABEL: @log2_exp2_log2_exp2_reassoc(
; CHECK-NEXT: ret double [[A:%.*]]
;
%1 = call double @llvm.exp2.f64(double %a)
- %2 = call fast double @llvm.log2.f64(double %1)
+ %2 = call reassoc double @llvm.log2.f64(double %1)
%3 = call double @llvm.exp2.f64(double %2)
- %4 = call fast double @llvm.log2.f64(double %3)
+ %4 = call reassoc double @llvm.log2.f64(double %3)
ret double %4
}
-define double @exp_fast_log_strict(double %a) {
-; CHECK-LABEL: @exp_fast_log_strict(
+define double @exp_reassoc_log_strict(double %a) {
+; CHECK-LABEL: @exp_reassoc_log_strict(
; CHECK-NEXT: ret double [[A:%.*]]
;
%1 = call double @llvm.log.f64(double %a)
- %2 = call fast double @llvm.exp.f64(double %1)
+ %2 = call reassoc double @llvm.exp.f64(double %1)
ret double %2
}
-define double @exp_strict_log_fast(double %a) {
-; CHECK-LABEL: @exp_strict_log_fast(
-; CHECK-NEXT: [[TMP1:%.*]] = call fast double @llvm.log.f64(double [[A:%.*]])
+define double @exp_strict_log_reassoc(double %a) {
+; CHECK-LABEL: @exp_strict_log_reassoc(
+; CHECK-NEXT: [[TMP1:%.*]] = call reassoc double @llvm.log.f64(double [[A:%.*]])
; CHECK-NEXT: [[TMP2:%.*]] = call double @llvm.exp.f64(double [[TMP1]])
; CHECK-NEXT: ret double [[TMP2]]
;
- %1 = call fast double @llvm.log.f64(double %a)
+ %1 = call reassoc double @llvm.log.f64(double %a)
%2 = call double @llvm.exp.f64(double %1)
ret double %2
}
@@ -134,33 +133,33 @@ define double @exp_log_exp_log(double %a) {
ret double %4
}
-define double @exp_log_exp_log_fast(double %a) {
-; CHECK-LABEL: @exp_log_exp_log_fast(
+define double @exp_log_exp_log_reassoc(double %a) {
+; CHECK-LABEL: @exp_log_exp_log_reassoc(
; CHECK-NEXT: ret double [[A:%.*]]
;
%1 = call double @llvm.log.f64(double %a)
- %2 = call fast double @llvm.exp.f64(double %1)
+ %2 = call reassoc double @llvm.exp.f64(double %1)
%3 = call double @llvm.log.f64(double %2)
- %4 = call fast double @llvm.exp.f64(double %3)
+ %4 = call reassoc double @llvm.exp.f64(double %3)
ret double %4
}
-define double @exp2_fast_log2_strict(double %a) {
-; CHECK-LABEL: @exp2_fast_log2_strict(
+define double @exp2_reassoc_log2_strict(double %a) {
+; CHECK-LABEL: @exp2_reassoc_log2_strict(
; CHECK-NEXT: ret double [[A:%.*]]
;
%1 = call double @llvm.log2.f64(double %a)
- %2 = call fast double @llvm.exp2.f64(double %1)
+ %2 = call reassoc double @llvm.exp2.f64(double %1)
ret double %2
}
-define double @exp2_strict_log2_fast(double %a) {
-; CHECK-LABEL: @exp2_strict_log2_fast(
-; CHECK-NEXT: [[TMP1:%.*]] = call fast double @llvm.log2.f64(double [[A:%.*]])
+define double @exp2_strict_log2_reassoc(double %a) {
+; CHECK-LABEL: @exp2_strict_log2_reassoc(
+; CHECK-NEXT: [[TMP1:%.*]] = call reassoc double @llvm.log2.f64(double [[A:%.*]])
; CHECK-NEXT: [[TMP2:%.*]] = call double @llvm.exp2.f64(double [[TMP1]])
; CHECK-NEXT: ret double [[TMP2]]
;
- %1 = call fast double @llvm.log2.f64(double %a)
+ %1 = call reassoc double @llvm.log2.f64(double %a)
%2 = call double @llvm.exp2.f64(double %1)
ret double %2
}
@@ -180,14 +179,14 @@ define double @exp2_log2_exp2_log2(double %a) {
ret double %4
}
-define double @exp2_log2_exp2_log2_fast(double %a) {
-; CHECK-LABEL: @exp2_log2_exp2_log2_fast(
+define double @exp2_log2_exp2_log2_reassoc(double %a) {
+; CHECK-LABEL: @exp2_log2_exp2_log2_reassoc(
; CHECK-NEXT: ret double [[A:%.*]]
;
%1 = call double @llvm.log2.f64(double %a)
- %2 = call fast double @llvm.exp2.f64(double %1)
+ %2 = call reassoc double @llvm.exp2.f64(double %1)
%3 = call double @llvm.log2.f64(double %2)
- %4 = call fast double @llvm.exp2.f64(double %3)
+ %4 = call reassoc double @llvm.exp2.f64(double %3)
ret double %4
}
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