Split the Add, Sub, and Mul instruction opcodes into separate
integer and floating-point opcodes, introducing
FAdd, FSub, and FMul.

For now, the AsmParser, BitcodeReader, and IRBuilder all preserve
backwards compatability, and the Core LLVM APIs preserve backwards
compatibility for IR producers. Most front-ends won't need to change
immediately.

This implements the first step of the plan outlined here:
http://nondot.org/sabre/LLVMNotes/IntegerOverflow.txt


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72897 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Transforms/LoopIndexSplit/2007-09-24-UpdateIterationSpace.ll b/test/Transforms/LoopIndexSplit/2007-09-24-UpdateIterationSpace.ll
index ec29847..928fd95 100644
--- a/test/Transforms/LoopIndexSplit/2007-09-24-UpdateIterationSpace.ll
+++ b/test/Transforms/LoopIndexSplit/2007-09-24-UpdateIterationSpace.ll
@@ -8,7 +8,7 @@
 
 bb.preheader:		; preds = %entry
 	%tmp3031 = fpext float %contribution to double		; <double> [#uses=1]
-	%tmp32 = mul double %tmp3031, 5.000000e-01		; <double> [#uses=1]
+	%tmp32 = fmul double %tmp3031, 5.000000e-01		; <double> [#uses=1]
 	%tmp3839 = fpext float %sigmal to double		; <double> [#uses=1]
 	br label %bb
 
@@ -22,19 +22,19 @@
 cond_true9:		; preds = %bb
 	%tmp12 = getelementptr float* %x, i32 %i.01.0		; <float*> [#uses=1]
 	%tmp13 = load float* %tmp12, align 4		; <float> [#uses=1]
-	%tmp15 = sub float %xcen, %tmp13		; <float> [#uses=1]
+	%tmp15 = fsub float %xcen, %tmp13		; <float> [#uses=1]
 	%tmp16 = tail call float @fabsf( float %tmp15 )		; <float> [#uses=1]
 	%tmp18 = fdiv float %tmp16, %sigmal		; <float> [#uses=1]
 	%tmp21 = load float** %y, align 4		; <float*> [#uses=2]
 	%tmp27 = getelementptr float* %tmp21, i32 %i.01.0		; <float*> [#uses=1]
 	%tmp28 = load float* %tmp27, align 4		; <float> [#uses=1]
 	%tmp2829 = fpext float %tmp28 to double		; <double> [#uses=1]
-	%tmp34 = sub float -0.000000e+00, %tmp18		; <float> [#uses=1]
+	%tmp34 = fsub float -0.000000e+00, %tmp18		; <float> [#uses=1]
 	%tmp3435 = fpext float %tmp34 to double		; <double> [#uses=1]
 	%tmp36 = tail call double @exp( double %tmp3435 )		; <double> [#uses=1]
-	%tmp37 = mul double %tmp32, %tmp36		; <double> [#uses=1]
+	%tmp37 = fmul double %tmp32, %tmp36		; <double> [#uses=1]
 	%tmp40 = fdiv double %tmp37, %tmp3839		; <double> [#uses=1]
-	%tmp41 = add double %tmp2829, %tmp40		; <double> [#uses=1]
+	%tmp41 = fadd double %tmp2829, %tmp40		; <double> [#uses=1]
 	%tmp4142 = fptrunc double %tmp41 to float		; <float> [#uses=1]
 	%tmp44 = getelementptr float* %tmp21, i32 %i.01.0		; <float*> [#uses=1]
 	store float %tmp4142, float* %tmp44, align 4
diff --git a/test/Transforms/LoopIndexSplit/2007-09-25-UpdateIterationSpace-2.ll b/test/Transforms/LoopIndexSplit/2007-09-25-UpdateIterationSpace-2.ll
index 7d93785..6619c7d 100644
--- a/test/Transforms/LoopIndexSplit/2007-09-25-UpdateIterationSpace-2.ll
+++ b/test/Transforms/LoopIndexSplit/2007-09-25-UpdateIterationSpace-2.ll
@@ -9,7 +9,7 @@
 
 bb.preheader:		; preds = %entry
 	%tmp3031 = fpext float %contribution to double		; <double> [#uses=1]
-	%tmp32 = mul double %tmp3031, 5.000000e-01		; <double> [#uses=1]
+	%tmp32 = fmul double %tmp3031, 5.000000e-01		; <double> [#uses=1]
 	%tmp3839 = fpext float %sigmal to double		; <double> [#uses=1]
 	br label %bb
 
@@ -24,19 +24,19 @@
 cond_true9:		; preds = %bb
 	%tmp12 = getelementptr float* %x, i32 %i.01.0		; <float*> [#uses=1]
 	%tmp13 = load float* %tmp12, align 4		; <float> [#uses=1]
-	%tmp15 = sub float %xcen, %tmp13		; <float> [#uses=1]
+	%tmp15 = fsub float %xcen, %tmp13		; <float> [#uses=1]
 	%tmp16 = tail call float @fabsf(float %tmp15)		; <float> [#uses=1]
 	%tmp18 = fdiv float %tmp16, %sigmal		; <float> [#uses=1]
 	%tmp21 = load float** %y, align 4		; <float*> [#uses=2]
 	%tmp27 = getelementptr float* %tmp21, i32 %k.06.0		; <float*> [#uses=1]
 	%tmp28 = load float* %tmp27, align 4		; <float> [#uses=1]
 	%tmp2829 = fpext float %tmp28 to double		; <double> [#uses=1]
-	%tmp34 = sub float -0.000000e+00, %tmp18		; <float> [#uses=1]
+	%tmp34 = fsub float -0.000000e+00, %tmp18		; <float> [#uses=1]
 	%tmp3435 = fpext float %tmp34 to double		; <double> [#uses=1]
 	%tmp36 = tail call double @exp(double %tmp3435)		; <double> [#uses=1]
-	%tmp37 = mul double %tmp32, %tmp36		; <double> [#uses=1]
+	%tmp37 = fmul double %tmp32, %tmp36		; <double> [#uses=1]
 	%tmp40 = fdiv double %tmp37, %tmp3839		; <double> [#uses=1]
-	%tmp41 = add double %tmp2829, %tmp40		; <double> [#uses=1]
+	%tmp41 = fadd double %tmp2829, %tmp40		; <double> [#uses=1]
 	%tmp4142 = fptrunc double %tmp41 to float		; <float> [#uses=1]
 	%tmp44 = getelementptr float* %tmp21, i32 %k.06.0		; <float*> [#uses=1]
 	store float %tmp4142, float* %tmp44, align 4