mirror of
https://github.com/c64scene-ar/llvm-6502.git
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ae3a0be92e
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
50 lines
1.8 KiB
LLVM
50 lines
1.8 KiB
LLVM
; RUN: llvm-as < %s | llc -march=c | \
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; RUN: grep __BITCAST | count 14
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define i32 @test1(float %F) {
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%X = bitcast float %F to i32 ; <i32> [#uses=1]
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ret i32 %X
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}
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define float @test2(i32 %I) {
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%X = bitcast i32 %I to float ; <float> [#uses=1]
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ret float %X
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}
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define i64 @test3(double %D) {
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%X = bitcast double %D to i64 ; <i64> [#uses=1]
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ret i64 %X
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}
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define double @test4(i64 %L) {
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%X = bitcast i64 %L to double ; <double> [#uses=1]
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ret double %X
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}
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define double @test5(double %D) {
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%X = bitcast double %D to double ; <double> [#uses=1]
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%Y = fadd double %X, 2.000000e+00 ; <double> [#uses=1]
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%Z = bitcast double %Y to i64 ; <i64> [#uses=1]
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%res = bitcast i64 %Z to double ; <double> [#uses=1]
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ret double %res
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}
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define float @test6(float %F) {
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%X = bitcast float %F to float ; <float> [#uses=1]
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%Y = fadd float %X, 2.000000e+00 ; <float> [#uses=1]
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%Z = bitcast float %Y to i32 ; <i32> [#uses=1]
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%res = bitcast i32 %Z to float ; <float> [#uses=1]
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ret float %res
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}
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define i32 @main(i32 %argc, i8** %argv) {
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%a = call i32 @test1( float 0x400921FB40000000 ) ; <i32> [#uses=2]
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%b = call float @test2( i32 %a ) ; <float> [#uses=0]
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%c = call i64 @test3( double 0x400921FB4D12D84A ) ; <i64> [#uses=1]
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%d = call double @test4( i64 %c ) ; <double> [#uses=0]
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%e = call double @test5( double 7.000000e+00 ) ; <double> [#uses=0]
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%f = call float @test6( float 7.000000e+00 ) ; <float> [#uses=0]
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ret i32 %a
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}
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