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