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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44299 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -1511,3 +1511,24 @@ LBB1_4: # cond_true
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cmpl $262144, %eax
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//===---------------------------------------------------------------------===//
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define i64 @test(double %X) {
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%Y = fptosi double %X to i64
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ret i64 %Y
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}
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compiles to:
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_test:
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subl $20, %esp
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movsd 24(%esp), %xmm0
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movsd %xmm0, 8(%esp)
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fldl 8(%esp)
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fisttpll (%esp)
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movl 4(%esp), %edx
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movl (%esp), %eax
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addl $20, %esp
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#FP_REG_KILL
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ret
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This should just fldl directly from the input stack slot.
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