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- ; RUN: opt < %s -loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -S | FileCheck %s
- target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
- target triple = "x86_64-apple-macosx10.8.0"
- ; This test checks that we deal with an in-loop extractelement (for now, this
- ; means not crashing by not vectorizing).
- ; CHECK-LABEL: @_Z4foo1Pii(
- ; CHECK-NOT: <4 x i32>
- ; CHECK: ret
- define i32 @_Z4foo1Pii(i32* %A, i32 %n, <2 x i32> %q) #0 {
- entry:
- %idx.ext = sext i32 %n to i64
- %add.ptr = getelementptr inbounds i32, i32* %A, i64 %idx.ext
- %cmp3.i = icmp eq i32 %n, 0
- br i1 %cmp3.i, label %_ZSt10accumulateIPiiET0_T_S2_S1_.exit, label %for.body.i
- for.body.i: ; preds = %entry, %for.body.i
- %__init.addr.05.i = phi i32 [ %add.i, %for.body.i ], [ 0, %entry ]
- %__first.addr.04.i = phi i32* [ %incdec.ptr.i, %for.body.i ], [ %A, %entry ]
- %0 = load i32, i32* %__first.addr.04.i, align 4
- %q1 = extractelement <2 x i32> %q, i32 %n
- %q2 = add nsw i32 %0, %q1
- %add.i = add nsw i32 %q2, %__init.addr.05.i
- %incdec.ptr.i = getelementptr inbounds i32, i32* %__first.addr.04.i, i64 1
- %cmp.i = icmp eq i32* %incdec.ptr.i, %add.ptr
- br i1 %cmp.i, label %_ZSt10accumulateIPiiET0_T_S2_S1_.exit, label %for.body.i
- _ZSt10accumulateIPiiET0_T_S2_S1_.exit: ; preds = %for.body.i, %entry
- %__init.addr.0.lcssa.i = phi i32 [ 0, %entry ], [ %add.i, %for.body.i ]
- ret i32 %__init.addr.0.lcssa.i
- }
- attributes #0 = { nounwind readonly ssp uwtable }
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