diff options
Diffstat (limited to 'test/CodeGen/Thumb2/thumb2-ror.ll')
| -rw-r--r-- | test/CodeGen/Thumb2/thumb2-ror.ll | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/test/CodeGen/Thumb2/thumb2-ror.ll b/test/CodeGen/Thumb2/thumb2-ror.ll index 0200116..590c333 100644 --- a/test/CodeGen/Thumb2/thumb2-ror.ll +++ b/test/CodeGen/Thumb2/thumb2-ror.ll @@ -1,11 +1,24 @@ ; RUN: llc < %s -march=thumb -mattr=+thumb2 | FileCheck %s +; CHECK: f1: +; CHECK: ror.w r0, r0, #22 define i32 @f1(i32 %a) { %l8 = shl i32 %a, 10 %r8 = lshr i32 %a, 22 %tmp = or i32 %l8, %r8 ret i32 %tmp } -; CHECK: f1: -; CHECK: ror.w r0, r0, #22 + +; CHECK: f2: +; CHECK-NOT: and +; CHECK: ror +define i32 @f2(i32 %v, i32 %nbits) { +entry: + %and = and i32 %nbits, 31 + %shr = lshr i32 %v, %and + %sub = sub i32 32, %and + %shl = shl i32 %v, %sub + %or = or i32 %shl, %shr + ret i32 %or +}
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