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| author | Amara Emerson <amara.emerson@arm.com> | 2017-08-04 20:19:46 +0000 |
|---|---|---|
| committer | Amara Emerson <amara.emerson@arm.com> | 2017-08-04 20:19:46 +0000 |
| commit | 56dca4e3cae307cb7154c83f43282cad54be88a8 (patch) | |
| tree | d192d4e67866c03627b7eedf82b0691a8875cad1 /llvm/test/Transforms/LoopStrengthReduce/sext-ind-var.ll | |
| parent | fcf8e5e34572c16848378232f1b414a4686a4916 (diff) | |
| download | bcm5719-llvm-56dca4e3cae307cb7154c83f43282cad54be88a8.tar.gz bcm5719-llvm-56dca4e3cae307cb7154c83f43282cad54be88a8.zip | |
[SCEV] Preserve NSW information for sext(subtract).
Pushes the sext onto the operands of a Sub if NSW is present.
Also adds support for propagating the nowrap flags of the
llvm.ssub.with.overflow intrinsic during analysis.
Differential Revision: https://reviews.llvm.org/D35256
llvm-svn: 310117
Diffstat (limited to 'llvm/test/Transforms/LoopStrengthReduce/sext-ind-var.ll')
| -rw-r--r-- | llvm/test/Transforms/LoopStrengthReduce/sext-ind-var.ll | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/llvm/test/Transforms/LoopStrengthReduce/sext-ind-var.ll b/llvm/test/Transforms/LoopStrengthReduce/sext-ind-var.ll index 3cf8f536fa7..21e72b29831 100644 --- a/llvm/test/Transforms/LoopStrengthReduce/sext-ind-var.ll +++ b/llvm/test/Transforms/LoopStrengthReduce/sext-ind-var.ll @@ -47,8 +47,7 @@ exit: ; define float @testsub(float* %input, i32 %offset, i32 %numIterations) { ; CHECK-LABEL: @testsub -; CHECK: sub i32 0, %offset -; CHECK: sext i32 +; CHECK: sext i32 %offset to i64 ; CHECK: loop: ; CHECK-DAG: phi float* ; CHECK-DAG: phi i32 |
