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Split the Add, Sub, and Mul instruction opcodes into separate

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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
This commit is contained in:
Dan Gohman committed 2009-06-04 22:49:04 +00:00
1 parent d18e31ae17
commit ae3a0be92e
265 files changed
+2374 -1924
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test/ExecutionEngine/2003-01-10-FUCOM.ll
+3 -3
View File
@@ -2,10 +2,10 @@
; RUN: lli %t.bc > /dev/null
define i32 @main() {
%X = add double 0.000000e+00, 1.000000e+00 ; <double> [#uses=1]
%Y = sub double 0.000000e+00, 1.000000e+00 ; <double> [#uses=2]
%X = fadd double 0.000000e+00, 1.000000e+00 ; <double> [#uses=1]
%Y = fsub double 0.000000e+00, 1.000000e+00 ; <double> [#uses=2]
%Z = fcmp oeq double %X, %Y ; <i1> [#uses=0]
add double %Y, 0.000000e+00 ; <double>:1 [#uses=0]
fadd double %Y, 0.000000e+00 ; <double>:1 [#uses=0]
ret i32 0
}
test/ExecutionEngine/test-fp.ll
+4 -4
View File
@@ -3,13 +3,13 @@
define double @test(double* %DP, double %Arg) {
%D = load double* %DP ; <double> [#uses=1]
%V = add double %D, 1.000000e+00 ; <double> [#uses=2]
%W = sub double %V, %V ; <double> [#uses=3]
%X = mul double %W, %W ; <double> [#uses=2]
%V = fadd double %D, 1.000000e+00 ; <double> [#uses=2]
%W = fsub double %V, %V ; <double> [#uses=3]
%X = fmul double %W, %W ; <double> [#uses=2]
%Y = fdiv double %X, %X ; <double> [#uses=2]
%Z = frem double %Y, %Y ; <double> [#uses=3]
%Z1 = fdiv double %Z, %W ; <double> [#uses=0]
%Q = add double %Z, %Arg ; <double> [#uses=1]
%Q = fadd double %Z, %Arg ; <double> [#uses=1]
%R = bitcast double %Q to double ; <double> [#uses=1]
store double %R, double* %DP
ret double %Z
test/ExecutionEngine/test-setcond-fp.ll
+4 -4
View File
@@ -3,10 +3,10 @@
define i32 @main() {
%double1 = add double 0.000000e+00, 0.000000e+00 ; <double> [#uses=6]
%double2 = add double 0.000000e+00, 0.000000e+00 ; <double> [#uses=6]
%float1 = add float 0.000000e+00, 0.000000e+00 ; <float> [#uses=6]
%float2 = add float 0.000000e+00, 0.000000e+00 ; <float> [#uses=6]
%double1 = fadd double 0.000000e+00, 0.000000e+00 ; <double> [#uses=6]
%double2 = fadd double 0.000000e+00, 0.000000e+00 ; <double> [#uses=6]
%float1 = fadd float 0.000000e+00, 0.000000e+00 ; <float> [#uses=6]
%float2 = fadd float 0.000000e+00, 0.000000e+00 ; <float> [#uses=6]
%test49 = fcmp oeq float %float1, %float2 ; <i1> [#uses=0]
%test50 = fcmp oge float %float1, %float2 ; <i1> [#uses=0]
%test51 = fcmp ogt float %float1, %float2 ; <i1> [#uses=0]