forked from OSchip/llvm-project
51 lines
1.5 KiB
LLVM
51 lines
1.5 KiB
LLVM
; RUN: opt %loadPolly %defaultOpts -polly-codegen %vector-opt -dce -S < %s | FileCheck %s
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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"
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target triple = "x86_64-unknown-linux-gnu"
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@A = common global [1024 x float] zeroinitializer, align 16
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@B = common global [1024 x float] zeroinitializer, align 16
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@C = common global [1024 x float] zeroinitializer, align 16
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define void @simple_vec_stride_one() nounwind {
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bb0:
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br label %bb1
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bb1:
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%indvar = phi i64 [ %indvar.next, %bb4 ], [ 0, %bb0 ]
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%scevgep = getelementptr [1024 x float]* @B, i64 0, i64 %indvar
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%scevgep2 = getelementptr [1024 x float]* @C, i64 0, i64 %indvar
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%scevgep1 = getelementptr [1024 x float]* @A, i64 0, i64 %indvar
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%exitcond = icmp ne i64 %indvar, 4
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br i1 %exitcond, label %bb2a, label %bb5
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bb2a:
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%tmp1 = load float* %scevgep1, align 4
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store float %tmp1, float* %scevgep, align 4
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br label %bb2b
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bb2b:
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%tmp2 = load float* %scevgep1, align 4
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store float %tmp2, float* %scevgep2, align 4
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br label %bb4
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bb4:
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%indvar.next = add i64 %indvar, 1
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br label %bb1
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bb5:
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ret void
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}
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define i32 @main() nounwind {
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call void @simple_vec_stride_one()
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%1 = load float* getelementptr inbounds ([1024 x float]* @A, i64 0, i64 42), align 8
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%2 = fptosi float %1 to i32
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ret i32 %2
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}
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; CHECK: [[LOAD1:%[a-zA-Z0-9_]+_full]] = load <4 x float>*
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; CHECK: store <4 x float> [[LOAD1]]
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; CHECK: [[LOAD2:%[a-zA-Z0-9_]+_full]] = load <4 x float>*
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; CHECK: store <4 x float> [[LOAD2]]
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