1 ; RUN: llc < %s -mtriple=thumbv7-apple-darwin -disable-fp-elim | FileCheck %s
2 ; RUN: llc < %s -mtriple=thumbv7-apple-darwin -relocation-model=pic -disable-fp-elim | FileCheck %s --check-prefix=PIC
6 ; The generated code is no where near ideal. It's not recognizing the two
7 ; constantpool entries being loaded can be merged into one.
9 @GV = external global i32 ; <i32*> [#uses=2]
11 define arm_apcscc void @t(i32* nocapture %vals, i32 %c) nounwind {
15 %0 = icmp eq i32 %c, 0 ; <i1> [#uses=1]
16 br i1 %0, label %return, label %bb.nph
18 bb.nph: ; preds = %entry
20 ; CHECK: ldr.n r2, LCPI0_0
29 ; PIC: ldr.n r2, LCPI0_0
37 %.pre = load i32* @GV, align 4 ; <i32> [#uses=1]
40 bb: ; preds = %bb, %bb.nph
41 %1 = phi i32 [ %.pre, %bb.nph ], [ %3, %bb ] ; <i32> [#uses=1]
42 %i.03 = phi i32 [ 0, %bb.nph ], [ %4, %bb ] ; <i32> [#uses=2]
43 %scevgep = getelementptr i32* %vals, i32 %i.03 ; <i32*> [#uses=1]
44 %2 = load i32* %scevgep, align 4 ; <i32> [#uses=1]
45 %3 = add nsw i32 %1, %2 ; <i32> [#uses=2]
46 store i32 %3, i32* @GV, align 4
47 %4 = add i32 %i.03, 1 ; <i32> [#uses=2]
48 %exitcond = icmp eq i32 %4, %c ; <i1> [#uses=1]
49 br i1 %exitcond, label %return, label %bb
51 return: ; preds = %bb, %entry