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| author | Davide Italiano <davide@freebsd.org> | 2016-05-11 23:06:10 +0000 |
|---|---|---|
| committer | Davide Italiano <davide@freebsd.org> | 2016-05-11 23:06:10 +0000 |
| commit | cd7c84bd8b46cef1bd11840325814666d31e3941 (patch) | |
| tree | 4b6e1ce79df724a3aecda55374abe4dfdfdb1589 | |
| parent | 2e03094d45e4ffa3aba3bcbef42f612c5b72bf2f (diff) | |
| download | bcm5719-llvm-cd7c84bd8b46cef1bd11840325814666d31e3941.tar.gz bcm5719-llvm-cd7c84bd8b46cef1bd11840325814666d31e3941.zip | |
Revert "[SCCP] Partially propagate informations when the input is not fully defined."
This reverts commit r269105 as it caused PR27712.
llvm-svn: 269252
| -rw-r--r-- | llvm/lib/Transforms/Scalar/SCCP.cpp | 3 | ||||
| -rw-r--r-- | llvm/test/Transforms/ConstProp/shift.ll | 1 |
2 files changed, 0 insertions, 4 deletions
diff --git a/llvm/lib/Transforms/Scalar/SCCP.cpp b/llvm/lib/Transforms/Scalar/SCCP.cpp index 49748ff4c43..75414ef3864 100644 --- a/llvm/lib/Transforms/Scalar/SCCP.cpp +++ b/llvm/lib/Transforms/Scalar/SCCP.cpp @@ -1331,9 +1331,6 @@ bool SCCPSolver::ResolvedUndefsIn(Function &F) { } Op1LV = getValueState(I.getOperand(1)); - - if (!Op0LV.isUndefined() && !Op1LV.isUndefined()) - break; } // If this is an instructions whose result is defined even if the input is // not fully defined, propagate the information. diff --git a/llvm/test/Transforms/ConstProp/shift.ll b/llvm/test/Transforms/ConstProp/shift.ll index 91027096dd5..de23fe98ad8 100644 --- a/llvm/test/Transforms/ConstProp/shift.ll +++ b/llvm/test/Transforms/ConstProp/shift.ll @@ -1,5 +1,4 @@ ; RUN: opt < %s -constprop -S | FileCheck %s -; RUN: opt < %s -sccp -S | FileCheck %s ; CHECK-LABEL: shift_undef_64 define void @shift_undef_64(i64* %p) { |
