diff --git a/test/CodeGen/X86/fp_load_fold.llx b/test/CodeGen/X86/fp_load_fold.llx new file mode 100644 index 00000000000..7ce437d492d --- /dev/null +++ b/test/CodeGen/X86/fp_load_fold.llx @@ -0,0 +1,40 @@ +; RUN: llvm-as < %s | llc -march=x86 | 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 +}