mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-01 00:12:50 +01:00
89 lines
2.6 KiB
LLVM
89 lines
2.6 KiB
LLVM
; RUN: llc < %s -mtriple=i386-apple-darwin | FileCheck %s
|
|
|
|
; There should be no stack manipulations between the inline asm and ret.
|
|
; CHECK: test1
|
|
; CHECK: InlineAsm End
|
|
; CHECK-NEXT: ret
|
|
define x86_fp80 @test1() {
|
|
%tmp85 = call x86_fp80 asm sideeffect "fld0", "={st(0)}"()
|
|
ret x86_fp80 %tmp85
|
|
}
|
|
|
|
; CHECK: test2
|
|
; CHECK: InlineAsm End
|
|
; CHECK-NEXT: ret
|
|
define double @test2() {
|
|
%tmp85 = call double asm sideeffect "fld0", "={st(0)}"()
|
|
ret double %tmp85
|
|
}
|
|
|
|
; Setting up argument in st(0) should be a single fld.
|
|
; CHECK: test3
|
|
; CHECK: fld
|
|
; CHECK-NEXT: InlineAsm Start
|
|
; Asm consumes stack, nothing should be popped.
|
|
; CHECK: InlineAsm End
|
|
; CHECK-NOT: fstp
|
|
; CHECK: ret
|
|
define void @test3(x86_fp80 %X) {
|
|
call void asm sideeffect "frob ", "{st(0)},~{dirflag},~{fpsr},~{flags}"( x86_fp80 %X)
|
|
ret void
|
|
}
|
|
|
|
; CHECK: test4
|
|
; CHECK: fld
|
|
; CHECK-NEXT: InlineAsm Start
|
|
; CHECK: InlineAsm End
|
|
; CHECK-NOT: fstp
|
|
; CHECK: ret
|
|
define void @test4(double %X) {
|
|
call void asm sideeffect "frob ", "{st(0)},~{dirflag},~{fpsr},~{flags}"( double %X)
|
|
ret void
|
|
}
|
|
|
|
; Same as test3/4, but using value from fadd.
|
|
; The fadd can be done in xmm or x87 regs - we don't test that.
|
|
; CHECK: test5
|
|
; CHECK: InlineAsm End
|
|
; CHECK-NOT: fstp
|
|
; CHECK: ret
|
|
define void @test5(double %X) {
|
|
%Y = fadd double %X, 123.0
|
|
call void asm sideeffect "frob ", "{st(0)},~{dirflag},~{fpsr},~{flags}"( double %Y)
|
|
ret void
|
|
}
|
|
|
|
; CHECK: test6
|
|
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.
|
|
; CHECK: foo
|
|
; CHECK: InlineAsm End
|
|
; CHECK-NEXT: fstp
|
|
; CHECK-NOT: fstp
|
|
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.
|
|
; CHECK: bar
|
|
; CHECK: InlineAsm End
|
|
; CHECK-NEXT: fstp
|
|
; CHECK-NEXT: fstp
|
|
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.
|
|
; CHECK: baz
|
|
; CHECK: InlineAsm End
|
|
; CHECK-NEXT: fstp
|
|
; CHECK-NOT: fstp
|
|
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.
|
|
; CHECK: baz
|
|
; CHECK: InlineAsm End
|
|
; CHECK-NEXT: fstp
|
|
; CHECK-NOT: fstp
|
|
; CHECK: ret
|
|
tail call void asm sideeffect "baz $0", "f,~{dirflag},~{fpsr},~{flags}"( double %D ) nounwind
|
|
ret void
|
|
}
|
|
|