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llvm-mirror/test/Transforms/IndVarSimplify/loop_evaluate_6.ll
Sanjoy Das a5bbed5a62 [IndVars] Un-grepify test; NFC
Some of these tests need to be cleaned up further to make it obvious
what they're testing, but as a first step remove all instances of
"grep".

llvm-svn: 277648
2016-08-03 20:53:23 +00:00

31 lines
811 B
LLVM

; RUN: opt < %s -indvars -loop-deletion -S | FileCheck %s
define i32 @test(i32 %x_offs) nounwind readnone {
; CHECK-LABEL: @test(
; CHECK: phi
; CHECK-NOT: phi
entry:
%0 = icmp sgt i32 %x_offs, 4 ; <i1> [#uses=1]
br i1 %0, label %bb.nph, label %bb2
bb.nph: ; preds = %entry
br label %bb
bb: ; preds = %bb1, %bb.nph
%x_offs_addr.01 = phi i32 [ %1, %bb1 ], [ %x_offs, %bb.nph ] ; <i32> [#uses=1]
%1 = add i32 %x_offs_addr.01, -4 ; <i32> [#uses=3]
br label %bb1
bb1: ; preds = %bb
%2 = icmp sgt i32 %1, 4 ; <i1> [#uses=1]
br i1 %2, label %bb, label %bb1.bb2_crit_edge
bb1.bb2_crit_edge: ; preds = %bb1
br label %bb2
bb2: ; preds = %bb1.bb2_crit_edge, %entry
%x_offs_addr.0.lcssa = phi i32 [ %1, %bb1.bb2_crit_edge ], [ %x_offs, %entry ] ; <i32> [#uses=1]
ret i32 %x_offs_addr.0.lcssa
}