42 lines
1.5 KiB
LLVM
42 lines
1.5 KiB
LLVM
; RUN: opt -loop-vectorize -force-vector-width=4 -force-vector-interleave=1 -S < %s 2>&1 | FileCheck %s
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; RUN: opt -passes='loop-vectorize' -force-vector-width=4 -force-vector-interleave=1 -S < %s 2>&1 | FileCheck %s
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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; Make sure the selects generated from reduction are always emitted
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; in deterministic order.
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; CHECK-LABEL: @foo(
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; CHECK: vector.body:
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; CHECK: %[[VAR1:.*]] = add <4 x i32> <i32 3, i32 3, i32 3, i32 3>, %vec.phi1
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; CHECK-NEXT: %[[VAR2:.*]] = add <4 x i32> %vec.phi, <i32 5, i32 5, i32 5, i32 5>
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; CHECK-NEXT: icmp ule <4 x i64>
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; CHECK-NEXT: select <4 x i1> {{.*}}, <4 x i32> %[[VAR2]], <4 x i32>
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; CHECK-NEXT: select <4 x i1> {{.*}}, <4 x i32> %[[VAR1]], <4 x i32>
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; CHECK: br i1 {{.*}}, label %middle.block, label %vector.body
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;
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define internal i64 @foo(i32* %t0) !prof !1 {
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t16:
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br label %t20
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t17: ; preds = %t20
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%t18 = phi i32 [ %t24, %t20 ]
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%t19 = phi i32 [ %t28, %t20 ]
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br label %t31
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t20: ; preds = %t20, %t16
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%t21 = phi i64 [ 0, %t16 ], [ %t29, %t20 ]
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%t22 = phi i32 [ 0, %t16 ], [ %t28, %t20 ]
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%t23 = phi i32 [ 0, %t16 ], [ %t24, %t20 ]
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%t24 = add i32 3, %t23
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%t28 = add i32 %t22, 5
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%t29 = add nuw nsw i64 %t21, 1
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%t30 = icmp eq i64 %t29, undef
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br i1 %t30, label %t17, label %t20, !prof !2
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t31:
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ret i64 undef
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}
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!1 = !{!"function_entry_count", i64 801}
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!2 = !{!"branch_weights", i32 746, i32 1}
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