; RUN: llc < %s -mtriple=arm64-apple-darwin | FileCheck %s ; Checks for conditional branch b.vs ; Function Attrs: nounwind define i32 @add(i32, i32) { entry: %2 = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 %0, i32 %1) %3 = extractvalue { i32, i1 } %2, 1 br i1 %3, label %6, label %4 ; <label>:4 ; preds = %entry %5 = extractvalue { i32, i1 } %2, 0 ret i32 %5 ; <label>:6 ; preds = %entry tail call void @llvm.trap() unreachable ; CHECK: b.vs } %S64 = type <{ i64 }> %S32 = type <{ i32 }> %Sstruct = type <{ %S64, %S32 }> ; Checks for compfail when optimizing csincr-cbz sequence define { i64, i1 } @foo(i64* , %Sstruct* , i1, i64) { entry: %.sroa.0 = alloca i72, align 16 %.count.value = getelementptr inbounds %Sstruct, %Sstruct* %1, i64 0, i32 0, i32 0 %4 = load i64, i64* %.count.value, align 8 %.repeatedValue.value = getelementptr inbounds %Sstruct, %Sstruct* %1, i64 0, i32 1, i32 0 %5 = load i32, i32* %.repeatedValue.value, align 8 %6 = icmp eq i64 %4, 0 br label %7 ; <label>:7 ; preds = %entry %.mask58 = and i32 %5, -2048 %8 = icmp eq i32 %.mask58, 55296 %.not134 = xor i1 %8, true %9 = icmp eq i32 %5, 1114112 %or.cond135 = and i1 %9, %.not134 br i1 %or.cond135, label %10, label %.loopexit ; <label>:10 ; preds = %7 %11 = and i32 %5, -2048 %12 = icmp eq i32 %11, 55296 br i1 %12, label %.loopexit, label %10 .loopexit: ; preds = %.entry,%7,%10 tail call void @llvm.trap() unreachable } ; Function Attrs: nounwind readnone declare { i32, i1 } @llvm.sadd.with.overflow.i32(i32, i32) ; Function Attrs: noreturn nounwind declare void @llvm.trap()