1 ; RUN: llc < %s -mtriple=i686-apple-darwin8 -mcpu=yonah -march=x86 | FileCheck %s 2 3 ; These testcases shouldn't require loading into an XMM register then storing 4 ; to memory, then reloading into an FPStack reg. 5 6 ; CHECK: test1 7 ; CHECK: fldl 8 ; CHECK-NEXT: ret 9 define double @test1(double *%P) { 10 %A = load double, double* %P 11 ret double %A 12 } 13 14 ; fastcc should return a value 15 ; CHECK: test2 16 ; CHECK-NOT: xmm 17 ; CHECK: ret 18 define fastcc double @test2(<2 x double> %A) { 19 %B = extractelement <2 x double> %A, i32 0 20 ret double %B 21 } 22 23 ; CHECK: test3 24 ; CHECK: sub{{.*}}%esp 25 ; CHECK-NOT: xmm 26 define fastcc double @test3(<4 x float> %A) { 27 %B = bitcast <4 x float> %A to <2 x double> 28 %C = call fastcc double @test2(<2 x double> %B) 29 ret double %C 30 } 31 32 ; Clear the stack when not using a return value. 33 ; CHECK: test4 34 ; CHECK: call 35 ; CHECK: fstp 36 ; CHECK: ret 37 define void @test4(double *%P) { 38 %A = call double @test1(double *%P) 39 ret void 40 } 41
