diff options
Diffstat (limited to 'llvm/test/CodeGen/SPARC/select-mask.ll')
| -rw-r--r-- | llvm/test/CodeGen/SPARC/select-mask.ll | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/SPARC/select-mask.ll b/llvm/test/CodeGen/SPARC/select-mask.ll new file mode 100644 index 00000000000..12e57103594 --- /dev/null +++ b/llvm/test/CodeGen/SPARC/select-mask.ll @@ -0,0 +1,17 @@ +; RUN: llc -march=sparc < %s + +;; getBooleanContents on Sparc used to claim that no bits mattered +;; other than the first for SELECT. Thus, the 'trunc' got eliminated +;; as redundant. But, cmp does NOT ignore the other bits! + +; CHECK-LABEL select_mask: +; CHECK: ldub [%o0], [[R:%[goli][0-7]]] +; CHECK: and [[R]], 1, [[V:%[goli][0-7]]] +; CHECK: cmp [[V]], 0 +define i32 @select_mask(i8* %this) { +entry: + %bf.load2 = load i8, i8* %this, align 4 + %bf.cast5 = trunc i8 %bf.load2 to i1 + %cond = select i1 %bf.cast5, i32 2, i32 0 + ret i32 %cond +} |
