; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2 ; RUN: llc < %s | FileCheck %s target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64" target triple = "thumbv7-unknown-linux-gnueabihf" %Target = type { ptr, ptr } %List = type { i32, ptr } ; The entry block should be the first block of the function. define i1 @foo(ptr %ha, i32 %he) !prof !39 { ; CHECK-LABEL: foo: ; CHECK: @ %bb.0: @ %entry ; CHECK-NEXT: ldr r2, [r0] ; CHECK-NEXT: cmp r2, #0 ; CHECK-NEXT: itt eq ; CHECK-NEXT: moveq r0, #0 ; CHECK-NEXT: bxeq lr ; CHECK-NEXT: .LBB0_1: @ %for.body.preheader ; CHECK-NEXT: .save {r7, lr} ; CHECK-NEXT: push {r7, lr} ; CHECK-NEXT: b .LBB0_3 ; CHECK-NEXT: .LBB0_2: @ %for.inc ; CHECK-NEXT: @ in Loop: Header=BB0_3 Depth=1 ; CHECK-NEXT: ldr r2, [r2] ; CHECK-NEXT: movs r0, #0 ; CHECK-NEXT: cmp r2, #0 ; CHECK-NEXT: it eq ; CHECK-NEXT: popeq {r7, pc} ; CHECK-NEXT: .LBB0_3: @ %for.body ; CHECK-NEXT: @ =>This Loop Header: Depth=1 ; CHECK-NEXT: @ Child Loop BB0_5 Depth 2 ; CHECK-NEXT: ldr r0, [r2, #4] ; CHECK-NEXT: cmp r0, #0 ; CHECK-NEXT: beq .LBB0_2 ; CHECK-NEXT: @ %bb.4: @ %if.then ; CHECK-NEXT: @ in Loop: Header=BB0_3 Depth=1 ; CHECK-NEXT: ldrd r3, r0, [r0] ; CHECK-NEXT: sub.w r12, r0, #4 ; CHECK-NEXT: .LBB0_5: @ %for.cond.i ; CHECK-NEXT: @ Parent Loop BB0_3 Depth=1 ; CHECK-NEXT: @ => This Inner Loop Header: Depth=2 ; CHECK-NEXT: cmp r3, #1 ; CHECK-NEXT: blt .LBB0_2 ; CHECK-NEXT: @ %bb.6: @ %for.body.i ; CHECK-NEXT: @ in Loop: Header=BB0_5 Depth=2 ; CHECK-NEXT: ldr.w lr, [r12, r3, lsl #2] ; CHECK-NEXT: subs r3, #1 ; CHECK-NEXT: movs r0, #1 ; CHECK-NEXT: cmp lr, r1 ; CHECK-NEXT: bne .LBB0_5 ; CHECK-NEXT: @ %bb.7: ; CHECK-NEXT: pop {r7, pc} entry: %TargetPtr = load ptr, ptr %ha, align 4 %cmp1 = icmp eq ptr %TargetPtr, null br i1 %cmp1, label %return, label %for.body, !prof !50 for.body: %TargetPhi = phi ptr [ %NextPtr, %for.inc ], [ %TargetPtr, %entry ] %ListAddr = getelementptr inbounds %Target, ptr %TargetPhi, i32 0, i32 1 %ListPtr = load ptr, ptr %ListAddr, align 4 %cmp2 = icmp eq ptr %ListPtr, null br i1 %cmp2, label %for.inc, label %if.then, !prof !59 if.then: %len = load i32, ptr %ListPtr, align 4 %ptr = getelementptr inbounds %List, ptr %ListPtr, i32 0, i32 1 %ptr2 = load ptr, ptr %ptr, align 4 br label %for.cond.i for.cond.i: %i = phi i32 [ %len, %if.then ], [ %index, %for.body.i ] %index = add nsw i32 %i, -1 %cmp3 = icmp sgt i32 %i, 0 br i1 %cmp3, label %for.body.i, label %for.inc, !prof !75 for.body.i: %ptr3 = getelementptr inbounds i32, ptr %ptr2, i32 %index %data = load i32, ptr %ptr3, align 4 %cmp4 = icmp eq i32 %data, %he br i1 %cmp4, label %return, label %for.cond.i, !prof !79 for.inc: %NextPtr = load ptr, ptr %TargetPhi, align 4 %cmp5 = icmp eq ptr %NextPtr, null br i1 %cmp5, label %return, label %for.body, !prof !50 return: %retval = phi i1 [ false, %entry ], [ true, %for.body.i ], [ false, %for.inc ] ret i1 %retval } !39 = !{!"function_entry_count", i64 226} !50 = !{!"branch_weights", i32 451, i32 1} !59 = !{!"branch_weights", i32 1502, i32 1} !75 = !{!"branch_weights", i32 301, i32 1} !79 = !{!"branch_weights", i32 1, i32 301}