forked from OSchip/llvm-project
44 lines
2.1 KiB
LLVM
44 lines
2.1 KiB
LLVM
; RUN: opt %loadPolly -basicaa -polly-codegen-isl %vector-opt -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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declare float @foo(float) readnone
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define void @simple_vec_call() nounwind {
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entry:
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br label %body
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body:
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%indvar = phi i64 [ 0, %entry ], [ %indvar_next, %body ]
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%scevgep = getelementptr [1024 x float]* @B, i64 0, i64 %indvar
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%value = load float* getelementptr inbounds ([1024 x float]* @A, i64 0, i64 0), align 16
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%result = tail call float @foo(float %value) nounwind
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store float %result, float* %scevgep, align 4
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%indvar_next = add i64 %indvar, 1
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%exitcond = icmp eq i64 %indvar_next, 4
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br i1 %exitcond, label %return, label %body
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return:
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ret void
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}
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; CHECK: %value_p_splat_one = load <1 x float>* bitcast ([1024 x float]* @A to <1 x float>*), align 8
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; CHECK: %value_p_splat = shufflevector <1 x float> %value_p_splat_one, <1 x float> %value_p_splat_one, <4 x i32> zeroinitializer
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; CHECK: %0 = extractelement <4 x float> %value_p_splat, i32 0
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; CHECK: %1 = extractelement <4 x float> %value_p_splat, i32 1
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; CHECK: %2 = extractelement <4 x float> %value_p_splat, i32 2
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; CHECK: %3 = extractelement <4 x float> %value_p_splat, i32 3
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; CHECK: [[RES1:%[a-zA-Z0-9_]+]] = tail call float @foo(float %0) [[NUW:#[0-9]+]]
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; CHECK: [[RES2:%[a-zA-Z0-9_]+]] = tail call float @foo(float %1) [[NUW]]
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; CHECK: [[RES3:%[a-zA-Z0-9_]+]] = tail call float @foo(float %2) [[NUW]]
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; CHECK: [[RES4:%[a-zA-Z0-9_]+]] = tail call float @foo(float %3) [[NUW]]
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; CHECK: %4 = insertelement <4 x float> undef, float [[RES1]], i32 0
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; CHECK: %5 = insertelement <4 x float> %4, float [[RES2]], i32 1
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; CHECK: %6 = insertelement <4 x float> %5, float [[RES3]], i32 2
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; CHECK: %7 = insertelement <4 x float> %6, float [[RES4]], i32 3
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; CHECK: store <4 x float> %7
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; CHECK: attributes [[NUW]] = { nounwind }
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