1; RUN: llc < %s -mtriple=i686-apple-darwin8 -mcpu=yonah | 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 9define 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 18define 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 26define 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 37define void @test4(double *%P) { 38 %A = call double @test1(double *%P) 39 ret void 40} 41