1 ; RUN: llc < %s -march=c | \ 2 ; RUN: grep __BITCAST | count 14 3 4 define i32 @test1(float %F) { 5 %X = bitcast float %F to i32 ; <i32> [#uses=1] 6 ret i32 %X 7 } 8 9 define float @test2(i32 %I) { 10 %X = bitcast i32 %I to float ; <float> [#uses=1] 11 ret float %X 12 } 13 14 define i64 @test3(double %D) { 15 %X = bitcast double %D to i64 ; <i64> [#uses=1] 16 ret i64 %X 17 } 18 19 define double @test4(i64 %L) { 20 %X = bitcast i64 %L to double ; <double> [#uses=1] 21 ret double %X 22 } 23 24 define double @test5(double %D) { 25 %X = bitcast double %D to double ; <double> [#uses=1] 26 %Y = fadd double %X, 2.000000e+00 ; <double> [#uses=1] 27 %Z = bitcast double %Y to i64 ; <i64> [#uses=1] 28 %res = bitcast i64 %Z to double ; <double> [#uses=1] 29 ret double %res 30 } 31 32 define float @test6(float %F) { 33 %X = bitcast float %F to float ; <float> [#uses=1] 34 %Y = fadd float %X, 2.000000e+00 ; <float> [#uses=1] 35 %Z = bitcast float %Y to i32 ; <i32> [#uses=1] 36 %res = bitcast i32 %Z to float ; <float> [#uses=1] 37 ret float %res 38 } 39 40 define i32 @main(i32 %argc, i8** %argv) { 41 %a = call i32 @test1( float 0x400921FB40000000 ) ; <i32> [#uses=2] 42 %b = call float @test2( i32 %a ) ; <float> [#uses=0] 43 %c = call i64 @test3( double 0x400921FB4D12D84A ) ; <i64> [#uses=1] 44 %d = call double @test4( i64 %c ) ; <double> [#uses=0] 45 %e = call double @test5( double 7.000000e+00 ) ; <double> [#uses=0] 46 %f = call float @test6( float 7.000000e+00 ) ; <float> [#uses=0] 47 ret i32 %a 48 } 49 50
