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| author | wanglei <wanglei@loongson.cn> | 2025-09-29 09:02:35 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-09-29 09:02:35 +0800 |
| commit | cac0635ee9e947b5f90130df2f471aa4b722e04b (patch) | |
| tree | 025b0d5bddbea3ce3051ed723de9457808870566 /llvm/test | |
| parent | 12f42e5ed9286711287e17ec35ea9bbdeb2aa92e (diff) | |
| download | llvm-main.zip llvm-main.tar.gz llvm-main.tar.bz2 | |
Add `loongarch-enable-merge-offset` option to allow disabling the
`MergeBaseOffset` pass when using optimization.
Reviewers: SixWeining, heiher
Reviewed By: SixWeining, heiher
Pull Request: https://github.com/llvm/llvm-project/pull/161063
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/CodeGen/LoongArch/merge-offset-option.ll | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/LoongArch/merge-offset-option.ll b/llvm/test/CodeGen/LoongArch/merge-offset-option.ll new file mode 100644 index 0000000..e5351a6 --- /dev/null +++ b/llvm/test/CodeGen/LoongArch/merge-offset-option.ll @@ -0,0 +1,24 @@ +; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py +; RUN: llc --mtriple=loongarch64 -mattr=+d --relocation-model=static -O1 \ +; RUN: < %s | FileCheck %s --check-prefix=MERGE +; RUN: llc --mtriple=loongarch64 -mattr=+d --relocation-model=static -O1 \ +; RUN: --loongarch-enable-merge-offset=false < %s | FileCheck %s --check-prefix=NO_MERGE + +@g = dso_local global i32 zeroinitializer, align 4 + +define void @foo() nounwind { +; MERGE-LABEL: foo: +; MERGE: # %bb.0: +; MERGE-NEXT: pcalau12i $a0, %pc_hi20(g) +; MERGE-NEXT: ld.w $zero, $a0, %pc_lo12(g) +; MERGE-NEXT: ret +; +; NO_MERGE-LABEL: foo: +; NO_MERGE: # %bb.0: +; NO_MERGE-NEXT: pcalau12i $a0, %pc_hi20(g) +; NO_MERGE-NEXT: addi.d $a0, $a0, %pc_lo12(g) +; NO_MERGE-NEXT: ld.w $zero, $a0, 0 +; NO_MERGE-NEXT: ret + %v = load volatile i32, ptr @g + ret void +} |