| ; RUN: llvm-as < %s | llc -march=x86 |
| |
| define x86_fp80 @test1() { |
| %tmp85 = call x86_fp80 asm sideeffect "fld0", "={st(0)}"() |
| ret x86_fp80 %tmp85 |
| } |
| |
| define double @test2() { |
| %tmp85 = call double asm sideeffect "fld0", "={st(0)}"() |
| ret double %tmp85 |
| } |
| |
| define void @test3(x86_fp80 %X) { |
| call void asm sideeffect "frob ", "{st(0)},~{dirflag},~{fpsr},~{flags}"( x86_fp80 %X) |
| ret void |
| } |
| |
| define void @test4(double %X) { |
| call void asm sideeffect "frob ", "{st(0)},~{dirflag},~{fpsr},~{flags}"( double %X) |
| ret void |
| } |
| |
| define void @test5(double %X) { |
| %Y = add double %X, 123.0 |
| call void asm sideeffect "frob ", "{st(0)},~{dirflag},~{fpsr},~{flags}"( double %Y) |
| ret void |
| } |
| |
| define void @test6(double %A, double %B, double %C, |
| double %D, double %E) nounwind { |
| entry: |
| ; Uses the same value twice, should have one fstp after the asm. |
| tail call void asm sideeffect "foo $0 $1", "f,f,~{dirflag},~{fpsr},~{flags}"( double %A, double %A ) nounwind |
| ; Uses two different values, should be in st(0)/st(1) and both be popped. |
| tail call void asm sideeffect "bar $0 $1", "f,f,~{dirflag},~{fpsr},~{flags}"( double %B, double %C ) nounwind |
| ; Uses two different values, one of which isn't killed in this asm, it |
| ; should not be popped after the asm. |
| tail call void asm sideeffect "baz $0 $1", "f,f,~{dirflag},~{fpsr},~{flags}"( double %D, double %E ) nounwind |
| ; This is the last use of %D, so it should be popped after. |
| tail call void asm sideeffect "baz $0", "f,~{dirflag},~{fpsr},~{flags}"( double %D ) nounwind |
| ret void |
| } |
| |