; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ;RUN: opt -passes=instcombine -S %s | FileCheck %s @A = extern_weak global i32, align 4 @B = extern_weak global i32, align 4 define i32 @foo(i1 %which, ptr %dst) { ; CHECK-LABEL: @foo( ; CHECK-NEXT: entry: ; CHECK-NEXT: br i1 true, label [[FINAL:%.*]], label [[DELAY:%.*]] ; CHECK: delay: ; CHECK-NEXT: br label [[FINAL]] ; CHECK: final: ; CHECK-NEXT: [[USE2:%.*]] = phi i32 [ 1, [[ENTRY:%.*]] ], [ select (i1 icmp eq (ptr @A, ptr @B), i32 2, i32 1), [[DELAY]] ] ; CHECK-NEXT: [[B7:%.*]] = mul i32 [[USE2]], 2147483647 ; CHECK-NEXT: [[C3:%.*]] = icmp eq i32 [[B7]], 0 ; CHECK-NEXT: store i1 [[C3]], ptr [[DST:%.*]], align 1 ; CHECK-NEXT: ret i32 [[USE2]] ; entry: br i1 true, label %final, label %delay delay: ; preds = %entry br label %final final: ; preds = %delay, %entry %use2 = phi i1 [ false, %entry ], [ icmp eq (ptr @A, ptr @B), %delay ] %value = select i1 %use2, i32 2, i32 1 %B7 = mul i32 %value, 2147483647 %C3 = icmp ule i32 %B7, 0 store i1 %C3, ptr %dst ret i32 %value }