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09f1b672cb
Now with a fix for PR23008 and extra regression test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@233175 91177308-0d34-0410-b5e6-96231b3b80d8
17 lines
524 B
LLVM
17 lines
524 B
LLVM
; RUN: opt < %s -float2int -float2int-max-integer-bw=256 -S | FileCheck %s
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; CHECK-LABEL: @neg_toolarge
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; CHECK: %1 = uitofp i80 %a to fp128
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; CHECK: %2 = fadd fp128 %1, %1
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; CHECK: %3 = fptoui fp128 %2 to i80
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; CHECK: ret i80 %3
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; fp128 has a 112-bit mantissa, which can hold an i80. But we only support
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; up to i64, so it should fail (even though the max integer bitwidth is 256).
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define i80 @neg_toolarge(i80 %a) {
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%1 = uitofp i80 %a to fp128
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%2 = fadd fp128 %1, %1
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%3 = fptoui fp128 %2 to i80
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ret i80 %3
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}
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