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https://github.com/c64scene-ar/llvm-6502.git
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229e959cd6
No functional change intended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221237 91177308-0d34-0410-b5e6-96231b3b80d8
40 lines
995 B
LLVM
40 lines
995 B
LLVM
; RUN: opt < %s -instcombine -S | FileCheck %s
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; CHECK: no_crash
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define float @no_crash(float %a) nounwind {
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entry:
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br label %for.body
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for.body:
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%sum.057 = phi float [ 0.000000e+00, %entry ], [ %add5, %bb0 ]
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%add5 = fadd float %sum.057, %a ; PR14592
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br i1 undef, label %bb0, label %end
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bb0:
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br label %for.body
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end:
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ret float %add5
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}
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; CHECK-LABEL: @pr21377(
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define void @pr21377(i32) {
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entry:
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br label %while.body
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while.body: ; preds = %if.end, %entry
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%phi1 = phi i64 [ undef, %entry ], [ %or2, %if.end ]
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%zext = zext i32 %0 to i64
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br i1 undef, label %if.end, label %if.else
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if.else: ; preds = %while.body
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%or1 = or i64 %phi1, %zext
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%and = and i64 %or1, 4294967295
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br label %if.end
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if.end: ; preds = %if.else, %while.body
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%phi2 = phi i64 [ %and, %if.else ], [ undef, %while.body ]
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%or2 = or i64 %phi2, %zext
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br label %while.body
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}
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