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]
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define arm_apcscc void @t(i32* nocapture %vals, i32 %c) nounwind {
15
%0 = icmp eq i32 %c, 0 ; <i1> [#uses=1]
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br i1 %0, label %return, label %bb.nph
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bb.nph: ; preds = %entry
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; CHECK: ldr.n r2, LCPI1_0
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; PIC: ldr.n r2, LCPI1_0
39
%.pre = load i32* @GV, align 4 ; <i32> [#uses=1]
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bb: ; preds = %bb, %bb.nph
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%1 = phi i32 [ %.pre, %bb.nph ], [ %3, %bb ] ; <i32> [#uses=1]
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%i.03 = phi i32 [ 0, %bb.nph ], [ %4, %bb ] ; <i32> [#uses=2]
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%scevgep = getelementptr i32* %vals, i32 %i.03 ; <i32*> [#uses=1]
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%2 = load i32* %scevgep, align 4 ; <i32> [#uses=1]
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%3 = add nsw i32 %1, %2 ; <i32> [#uses=2]
48
store i32 %3, i32* @GV, align 4
49
%4 = add i32 %i.03, 1 ; <i32> [#uses=2]
50
%exitcond = icmp eq i32 %4, %c ; <i1> [#uses=1]
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br i1 %exitcond, label %return, label %bb
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return: ; preds = %bb, %entry