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llvm-mirror/test/Transforms/LoopVectorize/fcmp-vectorize.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

26 lines
961 B
LLVM

; RUN: opt -loop-vectorize -force-vector-width=4 -force-vector-interleave=1 -S %s | FileCheck %s
; Avoid crashing while trying to vectorize fcmp that can be folded to vector of
; i1 true.
define void @test1() {
; CHECK-LABEL: test1(
; CHECK-LABEL: vector.body:
; CHECK-NEXT: %index = phi i32 [ 0, %vector.ph ], [ %index.next, %vector.body ]
; CHECK-NEXT: %broadcast.splatinsert = insertelement <4 x i32> undef, i32 %index, i32 0
; CHECK: %induction = add <4 x i32> %broadcast.splat, <i32 0, i32 1, i32 2, i32 3>
; CHECK: %index.next = add i32 %index, 4
entry:
br label %loop
loop: ; preds = %loop, %entry
%iv = phi i32 [ 0, %entry ], [ %ivnext, %loop ]
%fcmp = fcmp uno float 0.000000e+00, 0.000000e+00
%ivnext = add nsw i32 %iv, 1
%cnd = icmp sgt i32 %iv, 142
br i1 %cnd, label %exit, label %loop
exit: ; preds = %loop
ret void
}