[llvm] [Xtensa] Fix literal section emit for ConstantPool entries. (PR #200132)

[Andrei Safronov via llvm-commits]

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@@ -0,0 +1,20 @@
+; RUN: llc -mtriple=xtensa -function-sections --mcpu=esp32 --filetype=obj < %s\
+; RUN: | llvm-objdump -r -s --triple=xtensa --mcpu=esp32 -\
+; RUN: | FileCheck %s
+
+; CHECK-LABEL: RELOCATION RECORDS FOR [.literal.func_b]:
+; CHECK:       OFFSET   TYPE                     VALUE
+; CHECK-NEXT:  00000000 R_XTENSA_32              func_a
+
+; CHECK-LABEL: Contents of section .literal.func_b:
+; CHECK:       0000 00000000                             ....
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andreisfr wrote:

For constant '42' we generate movi instruction (it is suitable for 12-bit signed immediates)  like this:
...
movi	a10, 42
callx8	a8
...

https://github.com/llvm/llvm-project/pull/200132