llvm-6502/test/CodeGen/X86/fp_load_fold.llx
2006-12-02 04:23:10 +00:00

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; RUN: llvm-upgrade < %s | llvm-as | llc -march=x86 -x86-asm-syntax=intel | grep ST | not grep 'fadd\|fsub\|fdiv\|fmul'
; Test that the load of the memory location is folded into the operation.
double %test_add(double %X, double *%P) {
%Y = load double* %P
%R = add double %X, %Y
ret double %R
}
double %test_mul(double %X, double *%P) {
%Y = load double* %P
%R = mul double %X, %Y
ret double %R
}
double %test_sub(double %X, double *%P) {
%Y = load double* %P
%R = sub double %X, %Y
ret double %R
}
double %test_subr(double %X, double *%P) {
%Y = load double* %P
%R = sub double %Y, %X
ret double %R
}
double %test_div(double %X, double *%P) {
%Y = load double* %P
%R = div double %X, %Y
ret double %R
}
double %test_divr(double %X, double *%P) {
%Y = load double* %P
%R = div double %Y, %X
ret double %R
}