1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc < %s -mtriple=i386-apple-darwin | FileCheck %s
3 ; The inner loop should use [reg] addressing, not [reg+reg] addressing.
6 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"
7 target triple = "i386-apple-darwin9.5"
9 define i8* @test(i8* %Q, i32* %L) nounwind {
11 ; CHECK: ## %bb.0: ## %entry
12 ; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
13 ; CHECK-NEXT: jmp LBB0_2
14 ; CHECK-NEXT: .p2align 4, 0x90
15 ; CHECK-NEXT: LBB0_1: ## %bb
16 ; CHECK-NEXT: ## in Loop: Header=BB0_2 Depth=1
17 ; CHECK-NEXT: incl %eax
18 ; CHECK-NEXT: LBB0_2: ## %bb1
19 ; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1
20 ; CHECK-NEXT: movzbl (%eax), %ecx
21 ; CHECK-NEXT: cmpb $12, %cl
22 ; CHECK-NEXT: je LBB0_1
23 ; CHECK-NEXT: ## %bb.3: ## %bb1
24 ; CHECK-NEXT: ## in Loop: Header=BB0_2 Depth=1
25 ; CHECK-NEXT: cmpb $42, %cl
26 ; CHECK-NEXT: je LBB0_1
27 ; CHECK-NEXT: ## %bb.4: ## %bb3
28 ; CHECK-NEXT: movb $4, 2(%eax)
33 bb: ; preds = %bb1, %bb1
34 %indvar.next = add i32 %P.0.rec, 1 ; <i32> [#uses=1]
37 bb1: ; preds = %bb, %entry
38 %P.0.rec = phi i32 [ 0, %entry ], [ %indvar.next, %bb ] ; <i32> [#uses=3]
39 %P.0 = getelementptr i8, i8* %Q, i32 %P.0.rec ; <i8*> [#uses=2]
40 %0 = load i8, i8* %P.0, align 1 ; <i8> [#uses=1]
41 switch i8 %0, label %bb3 [
47 %P.0.sum = add i32 %P.0.rec, 2 ; <i32> [#uses=1]
48 %1 = getelementptr i8, i8* %Q, i32 %P.0.sum ; <i8*> [#uses=1]
49 store i8 4, i8* %1, align 1