43 lines
2.2 KiB
LLVM
43 lines
2.2 KiB
LLVM
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; RUN: llc < %s -mtriple=x86_64-apple-darwin | FileCheck %s
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; rdar://7395200
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@g = common global [4 x float] zeroinitializer, align 16 ; <[4 x float]*> [#uses=4]
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define void @foo(i32 %n, float* nocapture %x) nounwind ssp {
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entry:
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; CHECK-LABEL: foo:
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%0 = icmp sgt i32 %n, 0 ; <i1> [#uses=1]
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br i1 %0, label %bb.nph, label %return
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bb.nph: ; preds = %entry
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; CHECK: movq _g@GOTPCREL(%rip), [[REG:%[a-z]+]]
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%tmp = zext i32 %n to i64 ; <i64> [#uses=1]
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br label %bb
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bb: ; preds = %bb, %bb.nph
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; CHECK: LBB0_2:
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%indvar = phi i64 [ 0, %bb.nph ], [ %indvar.next, %bb ] ; <i64> [#uses=2]
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%tmp9 = shl i64 %indvar, 2 ; <i64> [#uses=4]
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%tmp1016 = or i64 %tmp9, 1 ; <i64> [#uses=1]
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%scevgep = getelementptr float, float* %x, i64 %tmp1016 ; <float*> [#uses=1]
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%tmp1117 = or i64 %tmp9, 2 ; <i64> [#uses=1]
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%scevgep12 = getelementptr float, float* %x, i64 %tmp1117 ; <float*> [#uses=1]
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%tmp1318 = or i64 %tmp9, 3 ; <i64> [#uses=1]
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%scevgep14 = getelementptr float, float* %x, i64 %tmp1318 ; <float*> [#uses=1]
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%x_addr.03 = getelementptr float, float* %x, i64 %tmp9 ; <float*> [#uses=1]
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%1 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @g, i64 0, i64 0), align 16 ; <float> [#uses=1]
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store float %1, float* %x_addr.03, align 4
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%2 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @g, i64 0, i64 1), align 4 ; <float> [#uses=1]
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store float %2, float* %scevgep, align 4
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%3 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @g, i64 0, i64 2), align 8 ; <float> [#uses=1]
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store float %3, float* %scevgep12, align 4
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%4 = load float, float* getelementptr inbounds ([4 x float], [4 x float]* @g, i64 0, i64 3), align 4 ; <float> [#uses=1]
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store float %4, float* %scevgep14, align 4
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%indvar.next = add i64 %indvar, 1 ; <i64> [#uses=2]
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%exitcond = icmp eq i64 %indvar.next, %tmp ; <i1> [#uses=1]
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br i1 %exitcond, label %return, label %bb
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return: ; preds = %bb, %entry
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ret void
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}
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