[llvm] [BPF] Use 32-bit move for zero extension when possible (PR #77501)
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Wed Jan 31 04:55:14 PST 2024
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@@ -0,0 +1,34 @@
+; RUN: llc -march=bpfel -mcpu=v3 --filetype=obj < %s | llvm-objdump -d - \
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eddyz87 wrote:
Matching patterns a bit nicer with objdump, because llc adds some details in the output:
```
test1: # @test1 // want to match
.Ltest1$local: // don't want to match
.type .Ltest1$local, at function // don't want to match
.cfi_startproc // don't want to match
# %bb.0: # %entry
w0 = w1
exit
```
But you are right, the call to objdump is a bit wasteful. I'll update the test.
https://github.com/llvm/llvm-project/pull/77501
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