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1; RUN: opt -S -passes=gvn-hoist < %s | FileCheck %s2 3; Check that the stores are not hoisted: it is invalid to hoist stores if they4; are not executed on all paths. In this testcase, there are paths in the loop5; that do not execute the stores.6 7; CHECK-LABEL: define i32 @main8; CHECK: store9; CHECK: store10; CHECK: store11 12@a = global i32 0, align 413 14define i32 @main() {15entry:16 br label %for.cond17 18for.cond: ; preds = %for.inc5, %entry19 %0 = load i32, ptr @a, align 420 %cmp = icmp slt i32 %0, 121 br i1 %cmp, label %for.cond1, label %for.end722 23for.cond1: ; preds = %for.cond, %for.inc24 %1 = load i32, ptr @a, align 425 %cmp2 = icmp slt i32 %1, 126 br i1 %cmp2, label %for.body3, label %for.inc527 28for.body3: ; preds = %for.cond129 %tobool = icmp ne i32 %1, 030 br i1 %tobool, label %if.then, label %for.inc31 32if.then: ; preds = %for.body333 %inc = add nsw i32 %1, 134 store i32 %inc, ptr @a, align 435 br label %for.inc36 37for.inc: ; preds = %for.body3, %if.then38 %2 = load i32, ptr @a, align 439 %inc4 = add nsw i32 %2, 140 store i32 %inc4, ptr @a, align 441 br label %for.cond142 43for.inc5: ; preds = %for.cond144 %inc6 = add nsw i32 %1, 145 store i32 %inc6, ptr @a, align 446 br label %for.cond47 48for.end7: ; preds = %for.cond49 ret i32 %050}51 52