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https://github.com/c64scene-ar/llvm-6502.git
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fce288fc91
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81293 91177308-0d34-0410-b5e6-96231b3b80d8
50 lines
1.8 KiB
LLVM
50 lines
1.8 KiB
LLVM
; RUN: llc < %s -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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