2b63077cfa
This PR removes tests with `br i1 undef` under `llvm/tests/CodeGen/X86`. There will be more PRs in the future for this directory. Replacing `undef` with a new function argument doesn't work in some of the tests, instead, I've replaced them with `poison`.
67 lines
1.8 KiB
YAML
67 lines
1.8 KiB
YAML
# RUN: llc -run-pass=codegenprepare -o - %s | FileCheck %s
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# REQUIRES: default_triple
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# This testcase without the accompanying fix triggers the assert
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# "Replacement PHI node is already replaced."
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--- |
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define void @f1(i1 %arg) {
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entry:
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%arrayidx = getelementptr inbounds [2 x i16], ptr undef, i16 0, i16 2
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br label %for.cond
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for.cond.loopexit:
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br label %for.cond
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for.cond:
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%0 = phi ptr [ %arrayidx, %entry ], [ %10, %for.cond.loopexit ]
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%1 = phi ptr [ %arrayidx, %entry ], [ %12, %for.cond.loopexit ]
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br label %for.body
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for.body:
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%2 = phi ptr [ %1, %for.cond ], [ %12, %cleanup ]
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%3 = phi ptr [ %0, %for.cond ], [ %11, %cleanup ]
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%4 = phi ptr [ %0, %for.cond ], [ %10, %cleanup ]
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br i1 %arg, label %for.cond2.preheader, label %if.then
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for.cond2.preheader:
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br label %for.cond2
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if.then:
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store i32 undef, ptr %2, align 1
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br label %cleanup
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for.cond2:
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%5 = phi ptr [ %8, %for.inc ], [ %4, %for.cond2.preheader ]
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%6 = phi ptr [ %9, %for.inc ], [ %3, %for.cond2.preheader ]
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%7 = phi ptr [ %9, %for.inc ], [ %2, %for.cond2.preheader ]
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br i1 %arg, label %for.inc, label %if.then5
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if.then5:
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br i1 true, label %cleanup.loopexit, label %if.end
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if.end:
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br label %for.inc
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for.inc:
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%8 = phi ptr [ %5, %if.end ], [ undef, %for.cond2 ]
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%9 = phi ptr [ %6, %if.end ], [ undef, %for.cond2 ]
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br label %for.cond2
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cleanup.loopexit:
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br label %cleanup
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cleanup:
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%10 = phi ptr [ %4, %if.then ], [ %5, %cleanup.loopexit ]
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%11 = phi ptr [ %3, %if.then ], [ %6, %cleanup.loopexit ]
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%12 = phi ptr [ %2, %if.then ], [ %7, %cleanup.loopexit ]
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br i1 true, label %for.cond.loopexit, label %for.body
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}
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...
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# A check to verify that something got through.
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# CHECK-LABEL: entry:
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