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Provide a test for int<->float and long<->double bitcasts.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32445 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer 2006-12-11 20:40:28 +00:00
parent 555a0b189c
commit 711679e21c
1 changed files with 48 additions and 0 deletions
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48
test/CodeGen/CBackend/2006-12-11-Float-Bitcast.ll Normal file
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; RUN: llvm-upgrade < %s | llvm-as | llc -march=c &&
; RUN: llvm-upgrade < %s | llvm-as | llc -march=c | grep '__BITCAST' | wc -l | grep 14
int %test1(float %F) {
%X = bitcast float %F to int
ret int %X
}
float %test2(int %I) {
%X = bitcast int %I to float
ret float %X
}
long %test3(double %D) {
%X = bitcast double %D to long
ret long %X
}
double %test4(long %L) {
%X = bitcast long %L to double
ret double %X
}
double %test5(double %D) {
%X = bitcast double %D to double
%Y = add double %X, 2.0
%Z = bitcast double %Y to long
%res = bitcast long %Z to double
ret double %res
}
float %test6(float %F) {
%X = bitcast float %F to float
%Y = add float %X, 2.0
%Z = bitcast float %Y to int
%res = bitcast int %Z to float
ret float %res
}
int %main(int %argc, sbyte** %argv) {
%a = call int %test1(float 3.1415926)
%b = call float %test2(int %a)
%c = call long %test3(double 3.1415926)
%d = call double %test4(long %c)
%e = call double %test5(double 7.0)
%f = call float %test6(float 7.0)
ret int %a
}