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1; RUN: llc < %s -mtriple=x86_64-apple-darwin8 -misched-print-dags -o - 2>&1 > /dev/null | FileCheck %s2; REQUIRES: asserts3 4@sc = common global i8 05@uc = common global i8 06@ui = common global i32 07 8; Regression Test for PR92368.9;10; CHECK: SU(8): CMP8rr %4:gr8, %3:gr8, implicit-def $eflags11; CHECK: Predecessors:12; CHECK-NEXT: SU(6): Data Latency=0 Reg=%413; CHECK-NEXT: SU(7): Out Latency=014; CHECK-NEXT: SU(5): Out Latency=015; CHECK-NEXT: SU(3): Data Latency=4 Reg=%316define void @misched_bug() nounwind {17entry:18 %v0 = load i8, ptr @sc, align 119 %v1 = zext i8 %v0 to i3220 %v2 = load i8, ptr @uc, align 121 %v3 = zext i8 %v2 to i3222 %v4 = trunc i32 %v3 to i823 %v5 = trunc i32 %v1 to i824 %pair74 = cmpxchg ptr @sc, i8 %v4, i8 %v5 monotonic monotonic25 %v6 = extractvalue { i8, i1 } %pair74, 026 %v7 = icmp eq i8 %v6, %v427 %v8 = zext i1 %v7 to i828 %v9 = zext i8 %v8 to i3229 store i32 %v9, ptr @ui, align 430 br label %return31 32return: ; preds = %ventry33 ret void34}35 36