; RUN: opt -S -simplifycfg < %s | FileCheck %s define i32 @speculate_vector_extract(i32 %d, <4 x i32> %v) #0 { ; CHECK-LABEL: @speculate_vector_extract( ; CHECK-NOT: br entry: %conv = insertelement <4 x i32> undef, i32 %d, i32 0 %conv2 = insertelement <4 x i32> %conv, i32 %d, i32 1 %conv3 = insertelement <4 x i32> %conv2, i32 %d, i32 2 %conv4 = insertelement <4 x i32> %conv3, i32 %d, i32 3 %tmp6 = add nsw <4 x i32> %conv4, <i32 0, i32 -1, i32 -2, i32 -3> %cmp = icmp eq <4 x i32> %tmp6, zeroinitializer %cmp.ext = sext <4 x i1> %cmp to <4 x i32> %tmp8 = extractelement <4 x i32> %cmp.ext, i32 0 %tobool = icmp eq i32 %tmp8, 0 br i1 %tobool, label %cond.else, label %cond.then return: ; preds = %cond.end28 ret i32 %cond32 cond.then: ; preds = %entry %tmp10 = extractelement <4 x i32> %v, i32 0 br label %cond.end cond.else: ; preds = %entry %tmp12 = extractelement <4 x i32> %v, i32 3 br label %cond.end cond.end: ; preds = %cond.else, %cond.then %cond = phi i32 [ %tmp10, %cond.then ], [ %tmp12, %cond.else ] %tmp14 = extractelement <4 x i32> %cmp.ext, i32 1 %tobool15 = icmp eq i32 %tmp14, 0 br i1 %tobool15, label %cond.else17, label %cond.then16 cond.then16: ; preds = %cond.end %tmp20 = extractelement <4 x i32> %v, i32 1 br label %cond.end18 cond.else17: ; preds = %cond.end br label %cond.end18 cond.end18: ; preds = %cond.else17, %cond.then16 %cond22 = phi i32 [ %tmp20, %cond.then16 ], [ %cond, %cond.else17 ] %tmp24 = extractelement <4 x i32> %cmp.ext, i32 2 %tobool25 = icmp eq i32 %tmp24, 0 br i1 %tobool25, label %cond.else27, label %cond.then26 cond.then26: ; preds = %cond.end18 %tmp30 = extractelement <4 x i32> %v, i32 2 br label %cond.end28 cond.else27: ; preds = %cond.end18 br label %cond.end28 cond.end28: ; preds = %cond.else27, %cond.then26 %cond32 = phi i32 [ %tmp30, %cond.then26 ], [ %cond22, %cond.else27 ] br label %return } attributes #0 = { nounwind }