; RUN: opt < %s -indvars -S \ ; RUN: | grep "%b.1 = phi i32 [ 2, %bb ], [ 1, %bb2 ]" ; ; This loop has multiple exits, and the value of %b1 depends on which ; exit is taken. Indvars should correctly compute the exit values. ; ; XFAIL: * ; Indvars does not currently replace loop invariant values unless all ; loop exits have the same exit value. We could handle some cases, ; such as this, by making getSCEVAtScope() sensitive to a particular ; loop exit. See PR11388. 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" target triple = "x86_64-pc-linux-gnu" %struct..0anon = type <{ i8, [3 x i8] }> define i32 @main() nounwind { entry: br label %bb2 bb2: ; preds = %bb, %entry %sdata.0 = phi i32 [ 1, %entry ], [ %ins10, %bb ] ; [#uses=2] %b.0 = phi i32 [ 0, %entry ], [ %t0, %bb ] ; [#uses=2] %tmp6 = trunc i32 %sdata.0 to i8 ; [#uses=2] %t2 = and i8 %tmp6, 1 ; [#uses=1] %t3 = icmp eq i8 %t2, 0 ; [#uses=1] %t4 = xor i8 %tmp6, 1 ; [#uses=1] %tmp8 = zext i8 %t4 to i32 ; [#uses=1] %mask9 = and i32 %sdata.0, -256 ; [#uses=1] %ins10 = or i32 %tmp8, %mask9 ; [#uses=1] br i1 %t3, label %bb3, label %bb bb: ; preds = %bb2 %t0 = add i32 %b.0, 1 ; [#uses=3] %t1 = icmp sgt i32 %t0, 100 ; [#uses=1] br i1 %t1, label %bb3, label %bb2 bb3: ; preds = %bb, %bb2 %b.1 = phi i32 [ %t0, %bb ], [ %b.0, %bb2 ] ; [#uses=1] %t5 = icmp eq i32 %b.1, 1 ; [#uses=1] br i1 %t5, label %bb5, label %bb4 bb4: ; preds = %bb3 tail call void @abort() noreturn nounwind unreachable bb5: ; preds = %bb3 ret i32 0 } declare void @llvm.memset.i64(i8* nocapture, i8, i64, i32) nounwind declare void @abort() noreturn nounwind