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1; RUN: llc < %s -mtriple=arm-apple-darwin -mcpu=cortex-a8 | FileCheck %s2; rdar://85984273; Adjust if-converter heuristics to avoid predicating vmrs which can cause4; significant regression.5 6%struct.xyz_t = type { double, double, double }7 8define i32 @effie(i32 %tsets, ptr nocapture %p, i32 %a, i32 %b, i32 %c) nounwind readonly noinline {9; CHECK-LABEL: effie:10entry:11 %0 = icmp sgt i32 %tsets, 012 br i1 %0, label %bb.nph, label %bb613 14bb.nph: ; preds = %entry15 %1 = add nsw i32 %b, %a16 %2 = add nsw i32 %1, %c17 br label %bb18 19bb: ; preds = %bb4, %bb.nph20; CHECK: vcmp.f6421; CHECK: vmrs APSR_nzcv, fpscr22 %r.19 = phi i32 [ 0, %bb.nph ], [ %r.0, %bb4 ]23 %n.08 = phi i32 [ 0, %bb.nph ], [ %10, %bb4 ]24 %scevgep10 = getelementptr inbounds %struct.xyz_t, ptr %p, i32 %n.08, i32 025 %scevgep11 = getelementptr %struct.xyz_t, ptr %p, i32 %n.08, i32 126 %3 = load double, ptr %scevgep10, align 427 %4 = load double, ptr %scevgep11, align 428 %5 = fcmp uge double %3, %429 br i1 %5, label %bb3, label %bb130 31bb1: ; preds = %bb32; CHECK-NOT: it33; CHECK-NOT: vcmpmi34; CHECK-NOT: vmrsmi35; CHECK: vcmp.f6436; CHECK: vmrs APSR_nzcv, fpscr37 %scevgep12 = getelementptr %struct.xyz_t, ptr %p, i32 %n.08, i32 238 %6 = load double, ptr %scevgep12, align 439 %7 = fcmp uge double %3, %640 br i1 %7, label %bb3, label %bb241 42bb2: ; preds = %bb143 %8 = add nsw i32 %2, %r.1944 br label %bb445 46bb3: ; preds = %bb1, %bb47 %9 = add nsw i32 %r.19, 148 br label %bb449 50bb4: ; preds = %bb3, %bb251 %r.0 = phi i32 [ %9, %bb3 ], [ %8, %bb2 ]52 %10 = add nsw i32 %n.08, 153 %exitcond = icmp eq i32 %10, %tsets54 br i1 %exitcond, label %bb6, label %bb55 56bb6: ; preds = %bb4, %entry57 %r.1.lcssa = phi i32 [ 0, %entry ], [ %r.0, %bb4 ]58 ret i32 %r.1.lcssa59}60