blob: 1ef5a971bab3ace3ecd060f6f0e24ee2b3d7e6c2 [file] [log] [blame]
Daniel Dunbar3f40b312010-05-18 17:22:24 +00001; RUN: llc --show-mc-encoding < %s | FileCheck %s
2
3target 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"
4target triple = "x86_64-apple-darwin10.0.0"
5
6define i32 @f0(i32* nocapture %x) nounwind readonly ssp {
7entry:
8 %tmp1 = load i32* %x ; <i32> [#uses=2]
9 %tobool = icmp eq i32 %tmp1, 0 ; <i1> [#uses=1]
10 br i1 %tobool, label %if.end, label %return
11
12if.end: ; preds = %entry
13
14; Check that we lower to the short form of cmpl, which has a fixed %eax
15; register.
16;
17; CHECK: cmpl $16777216, %eax
18; CHECK: # encoding: [0x3d,0x00,0x00,0x00,0x01]
19 %cmp = icmp eq i32 %tmp1, 16777216 ; <i1> [#uses=1]
20
21 %conv = zext i1 %cmp to i32 ; <i32> [#uses=1]
22 ret i32 %conv
23
24return: ; preds = %entry
25 ret i32 0
26}