xref: /llvm-project/llvm/test/CodeGen/X86/full-lsr.ll (revision 2f448bf509432c1a19ec46ab8cbc7353c03c6280)
1; RUN: llc < %s -mtriple=i686-- | FileCheck %s
2
3define void @foo(ptr nocapture %A, ptr nocapture %B, ptr nocapture %C, i32 %N) nounwind {
4; CHECK: foo
5; CHECK: incl
6
7entry:
8	%0 = icmp sgt i32 %N, 0		; <i1> [#uses=1]
9	br i1 %0, label %bb, label %return
10
11bb:		; preds = %bb, %entry
12	%i.03 = phi i32 [ 0, %entry ], [ %indvar.next, %bb ]		; <i32> [#uses=5]
13	%1 = getelementptr float, ptr %A, i32 %i.03		; <ptr> [#uses=1]
14	%2 = load float, ptr %1, align 4		; <float> [#uses=1]
15	%3 = getelementptr float, ptr %B, i32 %i.03		; <ptr> [#uses=1]
16	%4 = load float, ptr %3, align 4		; <float> [#uses=1]
17	%5 = fadd float %2, %4		; <float> [#uses=1]
18	%6 = getelementptr float, ptr %C, i32 %i.03		; <ptr> [#uses=1]
19	store float %5, ptr %6, align 4
20	%7 = add i32 %i.03, 10		; <i32> [#uses=3]
21	%8 = getelementptr float, ptr %A, i32 %7		; <ptr> [#uses=1]
22	%9 = load float, ptr %8, align 4		; <float> [#uses=1]
23	%10 = getelementptr float, ptr %B, i32 %7		; <ptr> [#uses=1]
24	%11 = load float, ptr %10, align 4		; <float> [#uses=1]
25	%12 = fadd float %9, %11		; <float> [#uses=1]
26	%13 = getelementptr float, ptr %C, i32 %7		; <ptr> [#uses=1]
27	store float %12, ptr %13, align 4
28	%indvar.next = add i32 %i.03, 1		; <i32> [#uses=2]
29	%exitcond = icmp eq i32 %indvar.next, %N		; <i1> [#uses=1]
30	br i1 %exitcond, label %return, label %bb
31
32return:		; preds = %bb, %entry
33	ret void
34}
35