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| author | Nirav Dave <niravd@google.com> | 2019-02-21 16:34:48 +0000 |
|---|---|---|
| committer | Nirav Dave <niravd@google.com> | 2019-02-21 16:34:48 +0000 |
| commit | 43a7600a7f6b76230a2c699be8772974d6b18322 (patch) | |
| tree | be6d7b7c47ddcb83096cb2daebb4bc1e24e45702 | |
| parent | ba5ee817e9b54bbe343fc4ac94022f7ab603fcd8 (diff) | |
| download | bcm5719-llvm-43a7600a7f6b76230a2c699be8772974d6b18322.tar.gz bcm5719-llvm-43a7600a7f6b76230a2c699be8772974d6b18322.zip | |
[PPC] Add store merging testcase.
llvm-svn: 354595
| -rw-r--r-- | llvm/test/CodeGen/PowerPC/constant-combines.ll | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/PowerPC/constant-combines.ll b/llvm/test/CodeGen/PowerPC/constant-combines.ll new file mode 100644 index 00000000000..b959dc41fb0 --- /dev/null +++ b/llvm/test/CodeGen/PowerPC/constant-combines.ll @@ -0,0 +1,51 @@ +; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py +; RUN: llc -mtriple=powerpc64-unknown-linux-gnu -o - %s | FileCheck --check-prefix=BE %s +; RUN: llc -mtriple=powerpc64le-unknown-linux-gnu -o - %s | FileCheck --check-prefix=LE %s + +define void @fold_constant_stores_loaddr(i8* %i8_ptr) { +; BE-LABEL: fold_constant_stores_loaddr: +; BE: # %bb.0: # %entry +; BE-NEXT: li 4, 0 +; BE-NEXT: std 4, 0(3) +; BE-NEXT: li 4, -86 +; BE-NEXT: stb 4, 0(3) +; BE-NEXT: blr +; +; LE-LABEL: fold_constant_stores_loaddr: +; LE: # %bb.0: # %entry +; LE-NEXT: li 4, 0 +; LE-NEXT: li 5, -86 +; LE-NEXT: std 4, 0(3) +; LE-NEXT: stb 5, 0(3) +; LE-NEXT: blr +entry: + %i64_ptr = bitcast i8* %i8_ptr to i64* + store i64 0, i64* %i64_ptr, align 8 + store i8 170, i8* %i8_ptr, align 1 + ret void +} + + +define void @fold_constant_stores_hiaddr(i8* %i8_ptr) { +; BE-LABEL: fold_constant_stores_hiaddr: +; BE: # %bb.0: # %entry +; BE-NEXT: li 4, 0 +; BE-NEXT: std 4, 0(3) +; BE-NEXT: li 4, -86 +; BE-NEXT: stb 4, 0(3) +; BE-NEXT: blr +; +; LE-LABEL: fold_constant_stores_hiaddr: +; LE: # %bb.0: # %entry +; LE-NEXT: li 4, 0 +; LE-NEXT: li 5, -86 +; LE-NEXT: std 4, 0(3) +; LE-NEXT: stb 5, 0(3) +; LE-NEXT: blr +entry: + %i64_ptr = bitcast i8* %i8_ptr to i64* + store i64 0, i64* %i64_ptr, align 8 + %i8_ptr2 = getelementptr inbounds i8, i8* %i8_ptr, i64 7 + store i8 170, i8* %i8_ptr, align 1 + ret void +} |
