1 ; RUN: llc < %s -march=x86 -x86-asm-syntax=intel | \ 2 ; RUN: grep -i ST | not grep "fadd\|fsub\|fdiv\|fmul" 3 4 ; Test that the load of the memory location is folded into the operation. 5 6 define double @test_add(double %X, double* %P) { 7 %Y = load double* %P ; <double> [#uses=1] 8 %R = fadd double %X, %Y ; <double> [#uses=1] 9 ret double %R 10 } 11 12 define double @test_mul(double %X, double* %P) { 13 %Y = load double* %P ; <double> [#uses=1] 14 %R = fmul double %X, %Y ; <double> [#uses=1] 15 ret double %R 16 } 17 18 define double @test_sub(double %X, double* %P) { 19 %Y = load double* %P ; <double> [#uses=1] 20 %R = fsub double %X, %Y ; <double> [#uses=1] 21 ret double %R 22 } 23 24 define double @test_subr(double %X, double* %P) { 25 %Y = load double* %P ; <double> [#uses=1] 26 %R = fsub double %Y, %X ; <double> [#uses=1] 27 ret double %R 28 } 29 30 define double @test_div(double %X, double* %P) { 31 %Y = load double* %P ; <double> [#uses=1] 32 %R = fdiv double %X, %Y ; <double> [#uses=1] 33 ret double %R 34 } 35 36 define double @test_divr(double %X, double* %P) { 37 %Y = load double* %P ; <double> [#uses=1] 38 %R = fdiv double %Y, %X ; <double> [#uses=1] 39 ret double %R 40 } 41
