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Diffstat (limited to 'test/CodeGen/PowerPC/and_add.ll')
| -rw-r--r-- | test/CodeGen/PowerPC/and_add.ll | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/and_add.ll b/test/CodeGen/PowerPC/and_add.ll new file mode 100644 index 0000000..1f6428a --- /dev/null +++ b/test/CodeGen/PowerPC/and_add.ll @@ -0,0 +1,12 @@ +; RUN: llvm-upgrade < %s | llvm-as | llc -march=ppc32 -o %t -f +; RUN: grep slwi %t +; RUN: not grep addi %t +; RUN: not grep rlwinm %t + +int %test(int %A) { + %B = mul int %A, 8 ;; shift + %C = add int %B, 7 ;; dead, no demanded bits. + %D = and int %C, -8 ;; dead once add is gone. + ret int %D +} + |