| Issue |
166246
|
| Summary |
[IndVarSimplify] `llvm::rewriteLoopExitValues` Generates `i33` for `riscv-32`
|
| Labels |
new issue
|
| Assignees |
|
| Reporter |
veera-efficient
|
Godbolt: https://c.godbolt.org/z/5zvnhab7M
IndVarSimplify's `llvm::rewriteLoopExitValues` generates 33 bit integers for 32 bit risc-v targets.
This unnecessary `zext i32 to i33` seems to originate from `SCEVExpander::visitZeroExtendExpr`.
This is problematic because 32 bit targets are not equipped to natively handle 33 bit integers.
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