llvm-project/llvm/test/Transforms/LoopSimplify/dup-preds.ll

47 lines
1.9 KiB
LLVM

; RUN: opt -loop-simplify -S %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-f128:128:128-v128:128:128-n32:64"
target triple = "powerpc64-bgq-linux"
define fastcc void @do_update_md([3 x float]* nocapture readonly %x) #0 {
entry:
br i1 undef, label %if.end365, label %lor.lhs.false134
lor.lhs.false134: ; preds = %entry
br i1 undef, label %lor.lhs.false138, label %if.end365
lor.lhs.false138: ; preds = %lor.lhs.false134
br i1 undef, label %lor.lhs.false142, label %if.end365
lor.lhs.false142: ; preds = %lor.lhs.false138
br i1 undef, label %for.body276.lr.ph, label %if.end365
for.body276.lr.ph: ; preds = %lor.lhs.false142
switch i16 undef, label %if.then288 [
i16 4, label %for.body344
i16 2, label %for.body344
]
if.then288: ; preds = %for.body276.lr.ph
br label %for.body305
for.body305: ; preds = %for.body305, %if.then288
br label %for.body305
for.body344: ; preds = %for.body344, %for.body276.lr.ph, %for.body276.lr.ph
%indvar = phi i64 [ %indvar.next, %for.body344 ], [ 0, %for.body276.lr.ph ], [ 0, %for.body276.lr.ph ]
%indvars.iv552 = phi i64 [ %indvars.iv.next553, %for.body344 ], [ 0, %for.body276.lr.ph ], [ 0, %for.body276.lr.ph ]
%indvars.iv.next553 = add nuw nsw i64 %indvars.iv552, 1
%indvar.next = add i64 %indvar, 1
br label %for.body344
; CHECK-LABEL: @do_update_md
; CHECK: %indvars.iv552 = phi i64 [ %indvars.iv.next553, %for.body344 ], [ 0, %for.body344.preheader ]
; CHECK: ret
if.end365: ; preds = %lor.lhs.false142, %lor.lhs.false138, %lor.lhs.false134, %entry
ret void
}
attributes #0 = { nounwind }