1; RUN: llc < %s -march=x86 2 3define x86_fp80 @test1() { 4 %tmp85 = call x86_fp80 asm sideeffect "fld0", "={st(0)}"() 5 ret x86_fp80 %tmp85 6} 7 8define double @test2() { 9 %tmp85 = call double asm sideeffect "fld0", "={st(0)}"() 10 ret double %tmp85 11} 12 13define void @test3(x86_fp80 %X) { 14 call void asm sideeffect "frob ", "{st(0)},~{dirflag},~{fpsr},~{flags}"( x86_fp80 %X) 15 ret void 16} 17 18define void @test4(double %X) { 19 call void asm sideeffect "frob ", "{st(0)},~{dirflag},~{fpsr},~{flags}"( double %X) 20 ret void 21} 22 23define void @test5(double %X) { 24 %Y = fadd double %X, 123.0 25 call void asm sideeffect "frob ", "{st(0)},~{dirflag},~{fpsr},~{flags}"( double %Y) 26 ret void 27} 28 29define void @test6(double %A, double %B, double %C, 30 double %D, double %E) nounwind { 31entry: 32 ; Uses the same value twice, should have one fstp after the asm. 33 tail call void asm sideeffect "foo $0 $1", "f,f,~{dirflag},~{fpsr},~{flags}"( double %A, double %A ) nounwind 34 ; Uses two different values, should be in st(0)/st(1) and both be popped. 35 tail call void asm sideeffect "bar $0 $1", "f,f,~{dirflag},~{fpsr},~{flags}"( double %B, double %C ) nounwind 36 ; Uses two different values, one of which isn't killed in this asm, it 37 ; should not be popped after the asm. 38 tail call void asm sideeffect "baz $0 $1", "f,f,~{dirflag},~{fpsr},~{flags}"( double %D, double %E ) nounwind 39 ; This is the last use of %D, so it should be popped after. 40 tail call void asm sideeffect "baz $0", "f,~{dirflag},~{fpsr},~{flags}"( double %D ) nounwind 41 ret void 42} 43 44