1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc < %s -verify-machineinstrs | FileCheck %s
4 ; It's tempting to eliminate the testl instruction here and just use the
5 ; EFLAGS value from the incl, however it can't be known whether the add
6 ; will overflow, and if it does the incl would set OF, and the
7 ; subsequent setg would return true.
9 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
10 target triple = "i386-apple-darwin9.6"
12 define i32 @f(i32 %j) nounwind readnone {
14 ; CHECK: ## %bb.0: ## %entry
15 ; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx
16 ; CHECK-NEXT: incl %ecx
17 ; CHECK-NEXT: xorl %eax, %eax
18 ; CHECK-NEXT: testl %ecx, %ecx
19 ; CHECK-NEXT: setg %al
22 %0 = add i32 %j, 1 ; <i32> [#uses=1]
23 %1 = icmp sgt i32 %0, 0 ; <i1> [#uses=1]
24 %2 = zext i1 %1 to i32 ; <i32> [#uses=1]