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llvm-mirror/test/Transforms/LoopVectorize/align.ll
Eric Christopher a62270de2c Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552
2019-04-17 04:52:47 +00:00

33 lines
1.2 KiB
LLVM

; 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"
; Make sure we output the abi alignment if no alignment is specified.
;CHECK-LABEL: @align
;CHECK: load <4 x i32>, <4 x i32>* {{.*}} align 4
;CHECK: load <4 x i32>, <4 x i32>* {{.*}} align 4
;CHECK: store <4 x i32> {{.*}} align 4
define void @align(i32* %a, i32* %b, i32* %c) nounwind uwtable ssp {
br label %1
; <label>:1 ; preds = %1, %0
%indvars.iv = phi i64 [ 0, %0 ], [ %indvars.iv.next, %1 ]
%2 = getelementptr inbounds i32, i32* %b, i64 %indvars.iv
%3 = load i32, i32* %2
%4 = getelementptr inbounds i32, i32* %c, i64 %indvars.iv
%5 = load i32, i32* %4
%6 = add nsw i32 %5, %3
%7 = getelementptr inbounds i32, i32* %a, i64 %indvars.iv
store i32 %6, i32* %7
%indvars.iv.next = add i64 %indvars.iv, 1
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
%exitcond = icmp eq i32 %lftr.wideiv, 128
br i1 %exitcond, label %8, label %1
; <label>:8 ; preds = %1
ret void
}