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-rw-r--r--lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp112
-rw-r--r--lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h1
-rw-r--r--test/CodeGen/ARM/fabss.ll2
-rw-r--r--test/CodeGen/ARM/fcopysign.ll6
-rw-r--r--test/CodeGen/ARM/fparith.ll4
-rw-r--r--test/CodeGen/ARM/vfp.ll4
-rw-r--r--test/CodeGen/CellSPU/fcmp32.ll4
-rw-r--r--test/CodeGen/CellSPU/fneg-fabs.ll4
-rw-r--r--test/CodeGen/Hexagon/opt-fabs.ll2
-rw-r--r--test/CodeGen/PowerPC/fabs.ll2
-rw-r--r--test/CodeGen/PowerPC/fnabs.ll2
-rw-r--r--test/CodeGen/X86/fabs.ll4
-rw-r--r--test/CodeGen/X86/stack-align.ll4
13 files changed, 49 insertions, 102 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index a6c2858..ba5bd79 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -5511,6 +5511,22 @@ bool SelectionDAGBuilder::visitMemCmpCall(const CallInst &I) {
return false;
}
+/// visitUnaryFloatCall - If a call instruction is a unary floating-point
+/// operation (as expected), translate it to an SDNode with the specified opcode
+/// and return true.
+bool SelectionDAGBuilder::visitUnaryFloatCall(const CallInst &I,
+ unsigned Opcode) {
+ // Sanity check that it really is a unary floating-point call.
+ if (I.getNumArgOperands() != 1 ||
+ !I.getArgOperand(0)->getType()->isFloatingPointTy() ||
+ I.getType() != I.getArgOperand(0)->getType() ||
+ !I.onlyReadsMemory())
+ return false;
+
+ SDValue Tmp = getValue(I.getArgOperand(0));
+ setValue(&I, DAG.getNode(Opcode, getCurDebugLoc(), Tmp.getValueType(), Tmp));
+ return true;
+}
void SelectionDAGBuilder::visitCall(const CallInst &I) {
// Handle inline assembly differently.
@@ -5553,7 +5569,8 @@ void SelectionDAGBuilder::visitCall(const CallInst &I) {
if (I.getNumArgOperands() == 2 && // Basic sanity checks.
I.getArgOperand(0)->getType()->isFloatingPointTy() &&
I.getType() == I.getArgOperand(0)->getType() &&
- I.getType() == I.getArgOperand(1)->getType()) {
+ I.getType() == I.getArgOperand(1)->getType() &&
+ I.onlyReadsMemory()) {
SDValue LHS = getValue(I.getArgOperand(0));
SDValue RHS = getValue(I.getArgOperand(1));
setValue(&I, DAG.getNode(ISD::FCOPYSIGN, getCurDebugLoc(),
@@ -5564,139 +5581,68 @@ void SelectionDAGBuilder::visitCall(const CallInst &I) {
case LibFunc::fabs:
case LibFunc::fabsf:
case LibFunc::fabsl:
- if (I.getNumArgOperands() == 1 && // Basic sanity checks.
- I.getArgOperand(0)->getType()->isFloatingPointTy() &&
- I.getType() == I.getArgOperand(0)->getType()) {
- SDValue Tmp = getValue(I.getArgOperand(0));
- setValue(&I, DAG.getNode(ISD::FABS, getCurDebugLoc(),
- Tmp.getValueType(), Tmp));
+ if (visitUnaryFloatCall(I, ISD::FABS))
return;
- }
break;
case LibFunc::sin:
case LibFunc::sinf:
case LibFunc::sinl:
- if (I.getNumArgOperands() == 1 && // Basic sanity checks.
- I.getArgOperand(0)->getType()->isFloatingPointTy() &&
- I.getType() == I.getArgOperand(0)->getType() &&
- I.onlyReadsMemory()) {
- SDValue Tmp = getValue(I.getArgOperand(0));
- setValue(&I, DAG.getNode(ISD::FSIN, getCurDebugLoc(),
- Tmp.getValueType(), Tmp));
+ if (visitUnaryFloatCall(I, ISD::FSIN))
return;
- }
break;
case LibFunc::cos:
case LibFunc::cosf:
case LibFunc::cosl:
- if (I.getNumArgOperands() == 1 && // Basic sanity checks.
- I.getArgOperand(0)->getType()->isFloatingPointTy() &&
- I.getType() == I.getArgOperand(0)->getType() &&
- I.onlyReadsMemory()) {
- SDValue Tmp = getValue(I.getArgOperand(0));
- setValue(&I, DAG.getNode(ISD::FCOS, getCurDebugLoc(),
- Tmp.getValueType(), Tmp));
+ if (visitUnaryFloatCall(I, ISD::FCOS))
return;
- }
break;
case LibFunc::sqrt:
case LibFunc::sqrtf:
case LibFunc::sqrtl:
- if (I.getNumArgOperands() == 1 && // Basic sanity checks.
- I.getArgOperand(0)->getType()->isFloatingPointTy() &&
- I.getType() == I.getArgOperand(0)->getType() &&
- I.onlyReadsMemory()) {
- SDValue Tmp = getValue(I.getArgOperand(0));
- setValue(&I, DAG.getNode(ISD::FSQRT, getCurDebugLoc(),
- Tmp.getValueType(), Tmp));
+ if (visitUnaryFloatCall(I, ISD::FSQRT))
return;
- }
break;
case LibFunc::floor:
case LibFunc::floorf:
case LibFunc::floorl:
- if (I.getNumArgOperands() == 1 && // Basic sanity checks.
- I.getArgOperand(0)->getType()->isFloatingPointTy() &&
- I.getType() == I.getArgOperand(0)->getType()) {
- SDValue Tmp = getValue(I.getArgOperand(0));
- setValue(&I, DAG.getNode(ISD::FFLOOR, getCurDebugLoc(),
- Tmp.getValueType(), Tmp));
+ if (visitUnaryFloatCall(I, ISD::FFLOOR))
return;
- }
break;
case LibFunc::nearbyint:
case LibFunc::nearbyintf:
case LibFunc::nearbyintl:
- if (I.getNumArgOperands() == 1 && // Basic sanity checks.
- I.getArgOperand(0)->getType()->isFloatingPointTy() &&
- I.getType() == I.getArgOperand(0)->getType()) {
- SDValue Tmp = getValue(I.getArgOperand(0));
- setValue(&I, DAG.getNode(ISD::FNEARBYINT, getCurDebugLoc(),
- Tmp.getValueType(), Tmp));
+ if (visitUnaryFloatCall(I, ISD::FNEARBYINT))
return;
- }
break;
case LibFunc::ceil:
case LibFunc::ceilf:
case LibFunc::ceill:
- if (I.getNumArgOperands() == 1 && // Basic sanity checks.
- I.getArgOperand(0)->getType()->isFloatingPointTy() &&
- I.getType() == I.getArgOperand(0)->getType()) {
- SDValue Tmp = getValue(I.getArgOperand(0));
- setValue(&I, DAG.getNode(ISD::FCEIL, getCurDebugLoc(),
- Tmp.getValueType(), Tmp));
+ if (visitUnaryFloatCall(I, ISD::FCEIL))
return;
- }
break;
case LibFunc::rint:
case LibFunc::rintf:
case LibFunc::rintl:
- if (I.getNumArgOperands() == 1 && // Basic sanity checks.
- I.getArgOperand(0)->getType()->isFloatingPointTy() &&
- I.getType() == I.getArgOperand(0)->getType()) {
- SDValue Tmp = getValue(I.getArgOperand(0));
- setValue(&I, DAG.getNode(ISD::FRINT, getCurDebugLoc(),
- Tmp.getValueType(), Tmp));
+ if (visitUnaryFloatCall(I, ISD::FRINT))
return;
- }
break;
case LibFunc::trunc:
case LibFunc::truncf:
case LibFunc::truncl:
- if (I.getNumArgOperands() == 1 && // Basic sanity checks.
- I.getArgOperand(0)->getType()->isFloatingPointTy() &&
- I.getType() == I.getArgOperand(0)->getType()) {
- SDValue Tmp = getValue(I.getArgOperand(0));
- setValue(&I, DAG.getNode(ISD::FTRUNC, getCurDebugLoc(),
- Tmp.getValueType(), Tmp));
+ if (visitUnaryFloatCall(I, ISD::FTRUNC))
return;
- }
break;
case LibFunc::log2:
case LibFunc::log2f:
case LibFunc::log2l:
- if (I.getNumArgOperands() == 1 && // Basic sanity checks.
- I.getArgOperand(0)->getType()->isFloatingPointTy() &&
- I.getType() == I.getArgOperand(0)->getType() &&
- I.onlyReadsMemory()) {
- SDValue Tmp = getValue(I.getArgOperand(0));
- setValue(&I, DAG.getNode(ISD::FLOG2, getCurDebugLoc(),
- Tmp.getValueType(), Tmp));
+ if (visitUnaryFloatCall(I, ISD::FLOG2))
return;
- }
break;
case LibFunc::exp2:
case LibFunc::exp2f:
case LibFunc::exp2l:
- if (I.getNumArgOperands() == 1 && // Basic sanity checks.
- I.getArgOperand(0)->getType()->isFloatingPointTy() &&
- I.getType() == I.getArgOperand(0)->getType() &&
- I.onlyReadsMemory()) {
- SDValue Tmp = getValue(I.getArgOperand(0));
- setValue(&I, DAG.getNode(ISD::FEXP2, getCurDebugLoc(),
- Tmp.getValueType(), Tmp));
+ if (visitUnaryFloatCall(I, ISD::FEXP2))
return;
- }
break;
case LibFunc::memcmp:
if (visitMemCmpCall(I))
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
index d0fde6f..4090002 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
@@ -520,6 +520,7 @@ private:
void visitPHI(const PHINode &I);
void visitCall(const CallInst &I);
bool visitMemCmpCall(const CallInst &I);
+ bool visitUnaryFloatCall(const CallInst &I, unsigned Opcode);
void visitAtomicLoad(const LoadInst &I);
void visitAtomicStore(const StoreInst &I);
diff --git a/test/CodeGen/ARM/fabss.ll b/test/CodeGen/ARM/fabss.ll
index 45c322d..5c0db88 100644
--- a/test/CodeGen/ARM/fabss.ll
+++ b/test/CodeGen/ARM/fabss.ll
@@ -6,7 +6,7 @@
define float @test(float %a, float %b) {
entry:
%dum = fadd float %a, %b
- %0 = tail call float @fabsf(float %dum)
+ %0 = tail call float @fabsf(float %dum) readnone
%dum1 = fadd float %0, %b
ret float %dum1
}
diff --git a/test/CodeGen/ARM/fcopysign.ll b/test/CodeGen/ARM/fcopysign.ll
index 27fa2b0..5511d24 100644
--- a/test/CodeGen/ARM/fcopysign.ll
+++ b/test/CodeGen/ARM/fcopysign.ll
@@ -11,7 +11,7 @@ entry:
; HARD: test1:
; HARD: vmov.i32 [[REG1:(d[0-9]+)]], #0x80000000
; HARD: vbsl [[REG1]], d
- %0 = tail call float @copysignf(float %x, float %y) nounwind
+ %0 = tail call float @copysignf(float %x, float %y) nounwind readnone
ret float %0
}
@@ -25,7 +25,7 @@ entry:
; HARD: vmov.i32 [[REG2:(d[0-9]+)]], #0x80000000
; HARD: vshl.i64 [[REG2]], [[REG2]], #32
; HARD: vbsl [[REG2]], d1, d0
- %0 = tail call double @copysign(double %x, double %y) nounwind
+ %0 = tail call double @copysign(double %x, double %y) nounwind readnone
ret double %0
}
@@ -36,7 +36,7 @@ entry:
; SOFT: vshl.i64 [[REG3]], [[REG3]], #32
; SOFT: vbsl [[REG3]],
%0 = fmul double %x, %y
- %1 = tail call double @copysign(double %0, double %z) nounwind
+ %1 = tail call double @copysign(double %0, double %z) nounwind readnone
ret double %1
}
diff --git a/test/CodeGen/ARM/fparith.ll b/test/CodeGen/ARM/fparith.ll
index ce6d6b2..a8bae3b 100644
--- a/test/CodeGen/ARM/fparith.ll
+++ b/test/CodeGen/ARM/fparith.ll
@@ -84,7 +84,7 @@ define float @f11(float %a) {
;CHECK: f11:
;CHECK: bic
entry:
- %tmp1 = call float @fabsf( float %a ) ; <float> [#uses=1]
+ %tmp1 = call float @fabsf( float %a ) readnone ; <float> [#uses=1]
ret float %tmp1
}
@@ -94,7 +94,7 @@ define double @f12(double %a) {
;CHECK: f12:
;CHECK: vabs.f64
entry:
- %tmp1 = call double @fabs( double %a ) ; <double> [#uses=1]
+ %tmp1 = call double @fabs( double %a ) readnone ; <double> [#uses=1]
ret double %tmp1
}
diff --git a/test/CodeGen/ARM/vfp.ll b/test/CodeGen/ARM/vfp.ll
index 49a6982..bf0f368 100644
--- a/test/CodeGen/ARM/vfp.ll
+++ b/test/CodeGen/ARM/vfp.ll
@@ -17,11 +17,11 @@ define void @test_abs(float* %P, double* %D) {
;CHECK: test_abs:
%a = load float* %P ; <float> [#uses=1]
;CHECK: vabs.f32
- %b = call float @fabsf( float %a ) ; <float> [#uses=1]
+ %b = call float @fabsf( float %a ) readnone ; <float> [#uses=1]
store float %b, float* %P
%A = load double* %D ; <double> [#uses=1]
;CHECK: vabs.f64
- %B = call double @fabs( double %A ) ; <double> [#uses=1]
+ %B = call double @fabs( double %A ) readnone ; <double> [#uses=1]
store double %B, double* %D
ret void
}
diff --git a/test/CodeGen/CellSPU/fcmp32.ll b/test/CodeGen/CellSPU/fcmp32.ll
index c14fd7b..b2a7317 100644
--- a/test/CodeGen/CellSPU/fcmp32.ll
+++ b/test/CodeGen/CellSPU/fcmp32.ll
@@ -15,8 +15,8 @@ define i1 @fcmp_eq(float %arg1, float %arg2) {
define i1 @fcmp_mag_eq(float %arg1, float %arg2) {
; CHECK: fcmeq
; CHECK: bi $lr
- %1 = call float @fabsf(float %arg1)
- %2 = call float @fabsf(float %arg2)
+ %1 = call float @fabsf(float %arg1) readnone
+ %2 = call float @fabsf(float %arg2) readnone
%3 = fcmp oeq float %1, %2
ret i1 %3
}
diff --git a/test/CodeGen/CellSPU/fneg-fabs.ll b/test/CodeGen/CellSPU/fneg-fabs.ll
index 1e5e3b3..6e01906 100644
--- a/test/CodeGen/CellSPU/fneg-fabs.ll
+++ b/test/CodeGen/CellSPU/fneg-fabs.ll
@@ -32,11 +32,11 @@ declare double @fabs(double)
declare float @fabsf(float)
define double @fabs_dp(double %X) {
- %Y = call double @fabs( double %X )
+ %Y = call double @fabs( double %X ) readnone
ret double %Y
}
define float @fabs_sp(float %X) {
- %Y = call float @fabsf( float %X )
+ %Y = call float @fabsf( float %X ) readnone
ret float %Y
}
diff --git a/test/CodeGen/Hexagon/opt-fabs.ll b/test/CodeGen/Hexagon/opt-fabs.ll
index 1cf0dd0..f1a66f4 100644
--- a/test/CodeGen/Hexagon/opt-fabs.ll
+++ b/test/CodeGen/Hexagon/opt-fabs.ll
@@ -8,7 +8,7 @@ entry:
%x.addr = alloca float, align 4
store float %x, float* %x.addr, align 4
%0 = load float* %x.addr, align 4
- %call = call float @fabsf(float %0)
+ %call = call float @fabsf(float %0) readnone
ret float %call
}
diff --git a/test/CodeGen/PowerPC/fabs.ll b/test/CodeGen/PowerPC/fabs.ll
index 156e00b..ddcce74 100644
--- a/test/CodeGen/PowerPC/fabs.ll
+++ b/test/CodeGen/PowerPC/fabs.ll
@@ -2,6 +2,6 @@
define double @fabs(double %f) {
entry:
- %tmp2 = tail call double @fabs( double %f ) ; <double> [#uses=1]
+ %tmp2 = tail call double @fabs( double %f ) readnone ; <double> [#uses=1]
ret double %tmp2
}
diff --git a/test/CodeGen/PowerPC/fnabs.ll b/test/CodeGen/PowerPC/fnabs.ll
index bbd5c71..9fa2dcb 100644
--- a/test/CodeGen/PowerPC/fnabs.ll
+++ b/test/CodeGen/PowerPC/fnabs.ll
@@ -3,7 +3,7 @@
declare double @fabs(double)
define double @test(double %X) {
- %Y = call double @fabs( double %X ) ; <double> [#uses=1]
+ %Y = call double @fabs( double %X ) readnone ; <double> [#uses=1]
%Z = fsub double -0.000000e+00, %Y ; <double> [#uses=1]
ret double %Z
}
diff --git a/test/CodeGen/X86/fabs.ll b/test/CodeGen/X86/fabs.ll
index 07a8d91..2074f04 100644
--- a/test/CodeGen/X86/fabs.ll
+++ b/test/CodeGen/X86/fabs.ll
@@ -11,7 +11,7 @@ declare x86_fp80 @fabsl(x86_fp80)
; UNSAFE: test1:
; NOOPT: test1:
define float @test1(float %X) {
- %Y = call float @fabsf(float %X)
+ %Y = call float @fabsf(float %X) readnone
ret float %Y
}
; CHECK: {{^[ \t]+fabs$}}
@@ -42,7 +42,7 @@ define double @test2(double %X) {
; UNSAFE: test3:
; NOOPT: test3:
define x86_fp80 @test3(x86_fp80 %X) {
- %Y = call x86_fp80 @fabsl(x86_fp80 %X)
+ %Y = call x86_fp80 @fabsl(x86_fp80 %X) readnone
ret x86_fp80 %Y
}
; CHECK: {{^[ \t]+fabs$}}
diff --git a/test/CodeGen/X86/stack-align.ll b/test/CodeGen/X86/stack-align.ll
index f6c13ec..0ddb237 100644
--- a/test/CodeGen/X86/stack-align.ll
+++ b/test/CodeGen/X86/stack-align.ll
@@ -10,11 +10,11 @@ target triple = "i686-apple-darwin8"
define void @test({ double, double }* byval %z, double* %P) nounwind {
entry:
%tmp3 = load double* @G, align 16 ; <double> [#uses=1]
- %tmp4 = tail call double @fabs( double %tmp3 ) ; <double> [#uses=1]
+ %tmp4 = tail call double @fabs( double %tmp3 ) readnone ; <double> [#uses=1]
store volatile double %tmp4, double* %P
%tmp = getelementptr { double, double }* %z, i32 0, i32 0 ; <double*> [#uses=1]
%tmp1 = load volatile double* %tmp, align 8 ; <double> [#uses=1]
- %tmp2 = tail call double @fabs( double %tmp1 ) ; <double> [#uses=1]
+ %tmp2 = tail call double @fabs( double %tmp1 ) readnone ; <double> [#uses=1]
; CHECK: andpd{{.*}}4(%esp), %xmm
%tmp6 = fadd double %tmp4, %tmp2 ; <double> [#uses=1]
store volatile double %tmp6, double* %P, align 8
generated by cgit v1.1 at 2025-01-08 07:54:48 +0000