You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
33 lines
941 B
33 lines
941 B
; RUN: opt < %s -indvars
|
|
; PR2857
|
|
|
|
@foo = external global i32 ; <i32*> [#uses=1]
|
|
|
|
define void @test(i32 %n, i32 %arg) {
|
|
entry:
|
|
br i1 false, label %bb.nph, label %return
|
|
|
|
bb.nph: ; preds = %entry
|
|
%0 = load i32, i32* @foo, align 4 ; <i32> [#uses=1]
|
|
%1 = sext i32 %0 to i64 ; <i64> [#uses=1]
|
|
br label %bb
|
|
|
|
bb: ; preds = %bb, %bb.nph
|
|
%.in = phi i32 [ %2, %bb ], [ %n, %bb.nph ] ; <i32> [#uses=1]
|
|
%val.02 = phi i64 [ %5, %bb ], [ 0, %bb.nph ] ; <i64> [#uses=2]
|
|
%result.01 = phi i64 [ %4, %bb ], [ 0, %bb.nph ] ; <i64> [#uses=1]
|
|
%2 = add i32 %.in, -1 ; <i32> [#uses=2]
|
|
%3 = mul i64 %1, %val.02 ; <i64> [#uses=1]
|
|
%4 = add i64 %3, %result.01 ; <i64> [#uses=2]
|
|
%5 = add i64 %val.02, 1 ; <i64> [#uses=1]
|
|
%6 = icmp sgt i32 %2, 0 ; <i1> [#uses=1]
|
|
br i1 %6, label %bb, label %bb3.bb4_crit_edge
|
|
|
|
bb3.bb4_crit_edge: ; preds = %bb
|
|
%.lcssa = phi i64 [ %4, %bb ] ; <i64> [#uses=0]
|
|
ret void
|
|
|
|
return: ; preds = %entry
|
|
ret void
|
|
}
|