1 ; RUN: llc < %s -mtriple=i386 -mcpu=pentium4 | FileCheck %s
2 ; RUN: llc < %s -mtriple=i386 -mcpu=pentium4m | FileCheck %s
3 ; RUN: llc < %s -mtriple=i386 -mcpu=pentium-m | FileCheck %s
4 ; RUN: llc < %s -mtriple=i386 -mcpu=prescott | FileCheck %s
5 ; RUN: llc < %s -mtriple=i386 -mcpu=nocona | FileCheck %s
7 ; Verify that scheduling puts some distance between a load feeding into
8 ; the address of another load, and that second load. This currently
9 ; happens during the post-RA-scheduler, which should be enabled by
10 ; default with the above specified cpus.
12 @ptrs = external global [0 x i32*], align 4
13 @idxa = common global i32 0, align 4
14 @idxb = common global i32 0, align 4
15 @res = common global i32 0, align 4
17 define void @addindirect() {
18 ; CHECK-LABEL: addindirect:
19 ; CHECK: # %bb.0: # %entry
20 ; CHECK-NEXT: movl idxb, %ecx
21 ; CHECK-NEXT: movl idxa, %eax
22 ; CHECK-NEXT: movl ptrs(,%ecx,4), %ecx
23 ; CHECK-NEXT: movl ptrs(,%eax,4), %eax
24 ; CHECK-NEXT: movl (%ecx), %ecx
25 ; CHECK-NEXT: addl (%eax), %ecx
26 ; CHECK-NEXT: movl %ecx, res
29 %0 = load i32, i32* @idxa, align 4
30 %arrayidx = getelementptr inbounds [0 x i32*], [0 x i32*]* @ptrs, i32 0, i32 %0
31 %1 = load i32*, i32** %arrayidx, align 4
32 %2 = load i32, i32* %1, align 4
33 %3 = load i32, i32* @idxb, align 4
34 %arrayidx1 = getelementptr inbounds [0 x i32*], [0 x i32*]* @ptrs, i32 0, i32 %3
35 %4 = load i32*, i32** %arrayidx1, align 4
36 %5 = load i32, i32* %4, align 4
38 store i32 %add, i32* @res, align 4