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62 lines
1.8 KiB
LLVM
62 lines
1.8 KiB
LLVM
; RUN: llc < %s -march=x86
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define i32 @test1() nounwind {
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; Dest is AX, dest type = i32.
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%tmp4 = call i32 asm sideeffect "FROB $0", "={ax}"()
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ret i32 %tmp4
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}
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define void @test2(i32 %V) nounwind {
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; input is AX, in type = i32.
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call void asm sideeffect "FROB $0", "{ax}"(i32 %V)
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ret void
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}
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define void @test3() nounwind {
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; FP constant as a memory operand.
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tail call void asm sideeffect "frob $0", "m"( float 0x41E0000000000000)
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ret void
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}
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define void @test4() nounwind {
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; J means a constant in range 0 to 63.
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tail call void asm sideeffect "bork $0", "J"(i32 37) nounwind
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ret void
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}
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; rdar://9738585
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define i32 @test5() nounwind {
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entry:
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%0 = tail call i32 asm "test", "=l,~{dirflag},~{fpsr},~{flags}"() nounwind
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ret i32 0
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}
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; rdar://9777108 PR10352
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define void @test6(i1 zeroext %desired) nounwind {
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entry:
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tail call void asm sideeffect "foo $0", "q,~{dirflag},~{fpsr},~{flags}"(i1 %desired) nounwind
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ret void
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}
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define void @test7(i1 zeroext %desired, i32* %p) nounwind {
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entry:
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%0 = tail call i8 asm sideeffect "xchg $0, $1", "=r,*m,0,~{memory},~{dirflag},~{fpsr},~{flags}"(i32* %p, i1 %desired) nounwind
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ret void
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}
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; <rdar://problem/11542429>
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; The constrained GR32_ABCD register class of the 'q' constraint requires
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; special handling after the preceding outputs used up eax-edx.
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define void @constrain_abcd(i8* %h) nounwind ssp {
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entry:
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%0 = call { i32, i32, i32, i32, i32 } asm sideeffect "", "=&r,=&r,=&r,=&r,=&q,r,~{ecx},~{memory},~{dirflag},~{fpsr},~{flags}"(i8* %h) nounwind
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ret void
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}
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; Mix normal and EC defs of the same register.
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define i32 @pr14376() nounwind noinline {
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entry:
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%asm = tail call i32 asm sideeffect "", "={ax},i,~{eax},~{flags},~{rax}"(i64 61) nounwind
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ret i32 %asm
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}
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