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844dff224e
This re-adds float2int to the tree, after fixing PR23038. It turns out the argument to APSInt() is true-if-unsigned, rather than true-if-signed :(. Added testcase and explanatory comment. llvm-svn: 233370
18 lines
449 B
LLVM
18 lines
449 B
LLVM
; RUN: opt < %s -float2int -S | FileCheck %s
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;
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; Verify that pass float2int is not run on optnone functions.
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define i16 @simple1(i8 %a) #0 {
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; CHECK-LABEL: @simple1
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; CHECK: %1 = uitofp i8 %a to float
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; CHECK-NEXT: %2 = fadd float %1, 1.0
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; CHECK-NEXT: %3 = fptoui float %2 to i16
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; CHECK-NEXT: ret i16 %3
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%1 = uitofp i8 %a to float
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%2 = fadd float %1, 1.0
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%3 = fptoui float %2 to i16
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ret i16 %3
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}
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attributes #0 = { noinline optnone }
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