1; RUN: opt -S -passes=gvn-hoist < %s | FileCheck %s 2target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 3target triple = "x86_64-unknown-linux-gnu" 4 5define void @test1(i1 %a, ptr %d) { 6entry: 7 %0 = load ptr, ptr %d, align 8 8 br i1 %a, label %if.then, label %if.else 9 10if.then: ; preds = %entry 11 br label %if.end 12 13if.else: ; preds = %entry 14 br label %if.end 15 16if.end: ; preds = %if.else, %if.then 17 %c.0 = phi i1 [ 1, %if.then ], [ 0, %if.else ] 18 br i1 %c.0, label %if.then2, label %if.else3 19 20if.then2: ; preds = %if.end 21 store i1 %c.0, ptr %0, align 4 22 br label %if.end6 23 24if.else3: ; preds = %if.end 25 store i1 %c.0, ptr %0, align 4 26 br label %if.end6 27 28if.end6: ; preds = %if.else3, %if.then2 29 ret void 30} 31 32; CHECK-LABEL: define void @test1( 33; CHECK: %[[load:.*]] = load ptr, ptr %d, align 8 34; CHECK: %[[phi:.*]] = phi i1 [ true, {{.*}} ], [ false, {{.*}} ] 35 36; CHECK: store i1 %[[phi]], ptr %[[load]], align 4 37 38; Check that store instructions are hoisted. 39; CHECK-NOT: store