forked from OSchip/llvm-project
39 lines
1.7 KiB
LLVM
39 lines
1.7 KiB
LLVM
; RUN: opt %loadPolly -basicaa -polly-codegen -polly-vectorizer=polly \
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; RUN: -polly-invariant-load-hoisting=true -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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@A = common global [1024 x float] zeroinitializer, align 16
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@B = common global [1024 x double] zeroinitializer, align 16
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define void @simple_vec_const() nounwind {
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bb:
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br label %bb1
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bb1: ; preds = %bb3, %bb
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%indvar = phi i64 [ %indvar.next, %bb3 ], [ 0, %bb ]
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%scevgep = getelementptr [1024 x double], [1024 x double]* @B, i64 0, i64 %indvar
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%exitcond = icmp ne i64 %indvar, 4
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br i1 %exitcond, label %bb2, label %bb4
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bb2: ; preds = %bb1
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%tmp = load float, float* getelementptr inbounds ([1024 x float], [1024 x float]* @A, i64 0, i64 0), align 16
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%tmp2 = fpext float %tmp to double
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store double %tmp2, double* %scevgep, align 4
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br label %bb3
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bb3: ; preds = %bb2
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%indvar.next = add i64 %indvar, 1
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br label %bb1
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bb4: ; preds = %bb1
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ret void
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}
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; CHECK: %.load = load float, float* getelementptr inbounds ([1024 x float], [1024 x float]* @A, i32 0, i32 0)
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; CHECK: polly.stmt.bb2: ; preds = %polly.start
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; CHECK: %tmp_p.splatinsert = insertelement <4 x float> undef, float %.load, i32 0
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; CHECK: %tmp_p.splat = shufflevector <4 x float> %tmp_p.splatinsert, <4 x float> undef, <4 x i32> zeroinitializer
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; CHECK: %0 = fpext <4 x float> %tmp_p.splat to <4 x double>
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; CHECK: store <4 x double> %0, <4 x double>*
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