| ; RUN: llc < %s | FileCheck %s |
| ; rdar://8051990 |
| |
| target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" |
| target triple = "x86_64-apple-darwin11" |
| |
| ; ISel doesn't yet know how to eliminate this extra zero-extend. But until |
| ; it knows how to do so safely, it shouldn;t eliminate it. |
| ; CHECK: movzbl (%rdi), %eax |
| ; CHECK: movzwl %ax, %eax |
| |
| define i64 @_ZL5matchPKtPKhiR9MatchData(i8* %tmp13) nounwind { |
| entry: |
| %tmp14 = load i8, i8* %tmp13, align 1 |
| %tmp17 = zext i8 %tmp14 to i16 |
| br label %bb341 |
| |
| bb341: |
| %tmp18 = add i16 %tmp17, -1 |
| %tmp23 = sext i16 %tmp18 to i64 |
| ret i64 %tmp23 |
| } |
