// preload invariant loads. Note: This should happen before the RTC
// because the RTC may depend on values that are invariant load hoisted.
if (!NodeBuilder.preloadInvariantLoads()) {
+ // Patch the introduced branch condition to ensure that we always execute
+ // the original SCoP.
+ auto *FalseI1 = Builder.getFalse();
+ auto *SplitBBTerm = Builder.GetInsertBlock()->getTerminator();
+ SplitBBTerm->setOperand(0, FalseI1);
+
DEBUG(dbgs() << "preloading invariant loads failed in function: " +
S->getFunction().getName() +
" | Scop Region: " + S->getNameStr());
--- /dev/null
+; RUN: opt %loadPolly -S < %s -polly-codegen-ppcg \
+; RUN: -polly-invariant-load-hoisting | FileCheck %s -check-prefix=CODEGEN
+
+target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n8:16:32-S64"
+
+%S = type { i32, i32, [12 x %L] }
+%L = type { i32, i32, double, i32, i32, i32, i32, i32 }
+
+define void @test(%S* %cpi, i1 %b) {
+; CODEGEN-LABEL: @test(
+; CODEGEN: polly.preload.begin:
+; CODEGEN-NEXT: br i1 false
+
+entry:
+ %nt = getelementptr inbounds %S, %S* %cpi, i32 0, i32 1
+ br i1 %b, label %if.then14, label %exit
+
+if.then14:
+ %ns = getelementptr inbounds %S, %S* %cpi, i32 0, i32 0
+ %l0 = load i32, i32* %ns, align 8
+ %cmp12.i = icmp sgt i32 %l0, 0
+ br i1 %cmp12.i, label %for.body.lr.ph.i, label %exit
+
+for.body.lr.ph.i:
+ %l1 = load i32, i32* %nt, align 4
+ br label %for.body.i
+
+for.body.i:
+ %phi = phi i32 [ 0, %for.body.lr.ph.i ], [ %inc, %for.body.i ]
+ %mul.i163 = mul nsw i32 %phi, %l1
+ %cv = getelementptr inbounds %S, %S* %cpi, i32 0, i32 2, i32 %mul.i163, i32 0
+ store i32 0, i32* %cv, align 8
+ %inc = add nuw nsw i32 %phi, 1
+ %l2 = load i32, i32* %ns, align 8
+ %cmp.i164 = icmp slt i32 %inc, %l2
+ br i1 %cmp.i164, label %for.body.i, label %exit
+
+exit:
+ ret void
+}