diff options
Diffstat (limited to 'llvm/test')
4 files changed, 386 insertions, 0 deletions
diff --git a/llvm/test/Transforms/GuardWidening/basic_widenable_condition_guards.ll b/llvm/test/Transforms/GuardWidening/basic_widenable_condition_guards.ll index 65da45314e4..40d22e07eba 100644 --- a/llvm/test/Transforms/GuardWidening/basic_widenable_condition_guards.ll +++ b/llvm/test/Transforms/GuardWidening/basic_widenable_condition_guards.ll @@ -1021,6 +1021,91 @@ guarded1: ; preds = %guarded ret void } + +define void @swapped_wb(i1 %cond_0, i1 %cond_1) { +; CHECK-LABEL: @swapped_wb( +; CHECK-NEXT: entry: +; CHECK-NEXT: [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition() +; CHECK-NEXT: [[WIDE_CHK:%.*]] = and i1 [[COND_0:%.*]], [[COND_1:%.*]] +; CHECK-NEXT: [[EXIPLICIT_GUARD_COND:%.*]] = and i1 [[WIDENABLE_COND]], [[WIDE_CHK]] +; CHECK-NEXT: br i1 [[EXIPLICIT_GUARD_COND]], label [[GUARDED:%.*]], label [[DEOPT:%.*]], !prof !0 +; CHECK: deopt: +; CHECK-NEXT: call void (...) @llvm.experimental.deoptimize.isVoid() [ "deopt"() ] +; CHECK-NEXT: ret void +; CHECK: guarded: +; CHECK-NEXT: [[WIDENABLE_COND3:%.*]] = call i1 @llvm.experimental.widenable.condition() +; CHECK-NEXT: [[EXIPLICIT_GUARD_COND4:%.*]] = and i1 [[COND_1]], [[WIDENABLE_COND3]] +; CHECK-NEXT: br i1 true, label [[GUARDED1:%.*]], label [[DEOPT2:%.*]], !prof !0 +; CHECK: deopt2: +; CHECK-NEXT: call void (...) @llvm.experimental.deoptimize.isVoid() [ "deopt"() ] +; CHECK-NEXT: ret void +; CHECK: guarded1: +; CHECK-NEXT: ret void +; +entry: + %widenable_cond = call i1 @llvm.experimental.widenable.condition() + %exiplicit_guard_cond = and i1 %widenable_cond, %cond_0 + br i1 %exiplicit_guard_cond, label %guarded, label %deopt, !prof !0 + +deopt: ; preds = %entry + call void (...) @llvm.experimental.deoptimize.isVoid() [ "deopt"() ] + ret void + +guarded: ; preds = %entry + %widenable_cond3 = call i1 @llvm.experimental.widenable.condition() + %exiplicit_guard_cond4 = and i1 %cond_1, %widenable_cond3 + br i1 %exiplicit_guard_cond4, label %guarded1, label %deopt2, !prof !0 + +deopt2: ; preds = %guarded + call void (...) @llvm.experimental.deoptimize.isVoid() [ "deopt"() ] + ret void + +guarded1: ; preds = %guarded + ret void +} + +define void @trivial_wb(i1 %cond_0) { +; CHECK-LABEL: @trivial_wb( +; CHECK-NEXT: entry: +; CHECK-NEXT: [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition() +; CHECK-NEXT: [[WIDE_CHK:%.*]] = and i1 true, [[COND_0:%.*]] +; CHECK-NEXT: [[TMP0:%.*]] = and i1 [[WIDE_CHK]], [[WIDENABLE_COND]] +; CHECK-NEXT: br i1 [[TMP0]], label [[GUARDED:%.*]], label [[DEOPT:%.*]], !prof !0 +; CHECK: deopt: +; CHECK-NEXT: call void (...) @llvm.experimental.deoptimize.isVoid() [ "deopt"() ] +; CHECK-NEXT: ret void +; CHECK: guarded: +; CHECK-NEXT: [[WIDENABLE_COND3:%.*]] = call i1 @llvm.experimental.widenable.condition() +; CHECK-NEXT: [[EXIPLICIT_GUARD_COND4:%.*]] = and i1 [[COND_0]], [[WIDENABLE_COND3]] +; CHECK-NEXT: br i1 true, label [[GUARDED1:%.*]], label [[DEOPT2:%.*]], !prof !0 +; CHECK: deopt2: +; CHECK-NEXT: call void (...) @llvm.experimental.deoptimize.isVoid() [ "deopt"() ] +; CHECK-NEXT: ret void +; CHECK: guarded1: +; CHECK-NEXT: ret void +; +entry: + %widenable_cond = call i1 @llvm.experimental.widenable.condition() + br i1 %widenable_cond, label %guarded, label %deopt, !prof !0 + +deopt: ; preds = %entry + call void (...) @llvm.experimental.deoptimize.isVoid() [ "deopt"() ] + ret void + +guarded: ; preds = %entry + %widenable_cond3 = call i1 @llvm.experimental.widenable.condition() + %exiplicit_guard_cond4 = and i1 %cond_0, %widenable_cond3 + br i1 %exiplicit_guard_cond4, label %guarded1, label %deopt2, !prof !0 + +deopt2: ; preds = %guarded + call void (...) @llvm.experimental.deoptimize.isVoid() [ "deopt"() ] + ret void + +guarded1: ; preds = %guarded + ret void +} + + declare void @llvm.experimental.deoptimize.isVoid(...) ; Function Attrs: inaccessiblememonly nounwind diff --git a/llvm/test/Transforms/LoopPredication/basic_widenable_branch_guards.ll b/llvm/test/Transforms/LoopPredication/basic_widenable_branch_guards.ll index 85d4be0d702..70cf1e9dd8d 100644 --- a/llvm/test/Transforms/LoopPredication/basic_widenable_branch_guards.ll +++ b/llvm/test/Transforms/LoopPredication/basic_widenable_branch_guards.ll @@ -1924,6 +1924,72 @@ exit: ; preds = %guarded, %entry ret i32 0 } +define i32 @swapped_wb(i32* %array, i32 %length, i32 %n) { +; CHECK-LABEL: @swapped_wb( +; CHECK-NEXT: entry: +; CHECK-NEXT: [[TMP5:%.*]] = icmp eq i32 [[N:%.*]], 0 +; CHECK-NEXT: br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]] +; CHECK: loop.preheader: +; CHECK-NEXT: [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition() +; CHECK-NEXT: [[TMP0:%.*]] = icmp ule i32 [[N]], [[LENGTH:%.*]] +; CHECK-NEXT: [[TMP1:%.*]] = icmp ult i32 0, [[LENGTH]] +; CHECK-NEXT: [[TMP2:%.*]] = and i1 [[TMP1]], [[TMP0]] +; CHECK-NEXT: [[TMP3:%.*]] = and i1 [[TMP2]], [[WIDENABLE_COND]] +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[GUARDED:%.*]] ], [ 0, [[LOOP_PREHEADER]] ] +; CHECK-NEXT: [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[GUARDED]] ], [ 0, [[LOOP_PREHEADER]] ] +; CHECK-NEXT: br i1 [[TMP3]], label [[GUARDED]], label [[DEOPT:%.*]], !prof !0 +; CHECK: deopt: +; CHECK-NEXT: [[DEOPTCALL:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ] +; CHECK-NEXT: ret i32 [[DEOPTCALL]] +; CHECK: guarded: +; CHECK-NEXT: [[I_I64:%.*]] = zext i32 [[I]] to i64 +; CHECK-NEXT: [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]] +; CHECK-NEXT: [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4 +; CHECK-NEXT: [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]] +; CHECK-NEXT: [[I_NEXT]] = add nuw i32 [[I]], 1 +; CHECK-NEXT: [[CONTINUE:%.*]] = icmp ult i32 [[I_NEXT]], [[N]] +; CHECK-NEXT: br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]], !prof !1 +; CHECK: exit.loopexit: +; CHECK-NEXT: [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[GUARDED]] ] +; CHECK-NEXT: br label [[EXIT]] +; CHECK: exit: +; CHECK-NEXT: [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ] +; CHECK-NEXT: ret i32 [[RESULT]] +; +entry: + %tmp5 = icmp eq i32 %n, 0 + br i1 %tmp5, label %exit, label %loop.preheader + +loop.preheader: ; preds = %entry + %widenable_cond = call i1 @llvm.experimental.widenable.condition() + br label %loop + +loop: ; preds = %guarded, %loop.preheader + %loop.acc = phi i32 [ %loop.acc.next, %guarded ], [ 0, %loop.preheader ] + %i = phi i32 [ %i.next, %guarded ], [ 0, %loop.preheader ] + %within.bounds = icmp ult i32 %i, %length + %exiplicit_guard_cond = and i1 %widenable_cond, %within.bounds + br i1 %exiplicit_guard_cond, label %guarded, label %deopt, !prof !0 + +deopt: ; preds = %loop + %deoptcall = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ] + ret i32 %deoptcall + +guarded: ; preds = %loop + %i.i64 = zext i32 %i to i64 + %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64 + %array.i = load i32, i32* %array.i.ptr, align 4 + %loop.acc.next = add i32 %loop.acc, %array.i + %i.next = add nuw i32 %i, 1 + %continue = icmp ult i32 %i.next, %n + br i1 %continue, label %loop, label %exit, !prof !2 + +exit: ; preds = %guarded, %entry + %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %guarded ] + ret i32 %result +} declare i32 @llvm.experimental.deoptimize.i32(...) diff --git a/llvm/test/Transforms/LoopPredication/predicate-exits.ll b/llvm/test/Transforms/LoopPredication/predicate-exits.ll index 340f509fe03..0d6eba9015a 100644 --- a/llvm/test/Transforms/LoopPredication/predicate-exits.ll +++ b/llvm/test/Transforms/LoopPredication/predicate-exits.ll @@ -762,6 +762,166 @@ exit: ret i32 %result } +define i32 @swapped_wb(i32* %array, i32 %length, i32 %n, i1 %cond_0) { +; CHECK-LABEL: @swapped_wb( +; CHECK-NEXT: entry: +; CHECK-NEXT: [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition() +; CHECK-NEXT: [[TMP0:%.*]] = icmp ugt i32 [[N:%.*]], 1 +; CHECK-NEXT: [[UMAX:%.*]] = select i1 [[TMP0]], i32 [[N]], i32 1 +; CHECK-NEXT: [[TMP1:%.*]] = add i32 [[UMAX]], -1 +; CHECK-NEXT: [[TMP2:%.*]] = icmp ult i32 [[LENGTH:%.*]], [[TMP1]] +; CHECK-NEXT: [[UMIN:%.*]] = select i1 [[TMP2]], i32 [[LENGTH]], i32 [[TMP1]] +; CHECK-NEXT: [[TMP3:%.*]] = icmp ugt i32 [[LENGTH]], [[UMIN]] +; CHECK-NEXT: [[TMP4:%.*]] = freeze i1 [[TMP3]] +; CHECK-NEXT: [[TMP5:%.*]] = and i1 [[TMP4]], [[COND_0:%.*]] +; CHECK-NEXT: [[EXIPLICIT_GUARD_COND:%.*]] = and i1 [[WIDENABLE_COND]], [[TMP5]] +; CHECK-NEXT: br i1 [[EXIPLICIT_GUARD_COND]], label [[LOOP_PREHEADER:%.*]], label [[DEOPT:%.*]], !prof !0 +; CHECK: deopt: +; CHECK-NEXT: [[DEOPTRET:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32() [ "deopt"() ] +; CHECK-NEXT: ret i32 [[DEOPTRET]] +; CHECK: loop.preheader: +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[GUARDED:%.*]] ], [ 0, [[LOOP_PREHEADER]] ] +; CHECK-NEXT: [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[GUARDED]] ], [ 0, [[LOOP_PREHEADER]] ] +; CHECK-NEXT: call void @unknown() +; CHECK-NEXT: [[WITHIN_BOUNDS:%.*]] = icmp ult i32 [[I]], [[LENGTH]] +; CHECK-NEXT: br i1 true, label [[GUARDED]], label [[DEOPT2:%.*]], !prof !0 +; CHECK: deopt2: +; CHECK-NEXT: call void @unknown() +; CHECK-NEXT: [[DEOPTRET2:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32() [ "deopt"() ] +; CHECK-NEXT: ret i32 [[DEOPTRET2]] +; CHECK: guarded: +; CHECK-NEXT: [[I_I64:%.*]] = zext i32 [[I]] to i64 +; CHECK-NEXT: [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]] +; CHECK-NEXT: [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4 +; CHECK-NEXT: store i32 0, i32* [[ARRAY_I_PTR]] +; CHECK-NEXT: [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]] +; CHECK-NEXT: [[I_NEXT]] = add nuw i32 [[I]], 1 +; CHECK-NEXT: [[CONTINUE:%.*]] = icmp ult i32 [[I_NEXT]], [[N]] +; CHECK-NEXT: br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT:%.*]] +; CHECK: exit: +; CHECK-NEXT: [[RESULT:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[GUARDED]] ] +; CHECK-NEXT: ret i32 [[RESULT]] +; +entry: + %widenable_cond = call i1 @llvm.experimental.widenable.condition() + %exiplicit_guard_cond = and i1 %widenable_cond, %cond_0 + br i1 %exiplicit_guard_cond, label %loop.preheader, label %deopt, !prof !0 + +deopt: + %deoptret = call i32 (...) @llvm.experimental.deoptimize.i32() [ "deopt"() ] + ret i32 %deoptret + +loop.preheader: + br label %loop + +loop: + %loop.acc = phi i32 [ %loop.acc.next, %guarded ], [ 0, %loop.preheader ] + %i = phi i32 [ %i.next, %guarded ], [ 0, %loop.preheader ] + call void @unknown() + %within.bounds = icmp ult i32 %i, %length + br i1 %within.bounds, label %guarded, label %deopt2, !prof !0 + +deopt2: + call void @unknown() + %deoptret2 = call i32 (...) @llvm.experimental.deoptimize.i32() [ "deopt"() ] + ret i32 %deoptret2 + +guarded: + %i.i64 = zext i32 %i to i64 + %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64 + %array.i = load i32, i32* %array.i.ptr, align 4 + store i32 0, i32* %array.i.ptr + %loop.acc.next = add i32 %loop.acc, %array.i + %i.next = add nuw i32 %i, 1 + %continue = icmp ult i32 %i.next, %n + br i1 %continue, label %loop, label %exit + +exit: + %result = phi i32 [ %loop.acc.next, %guarded ] + ret i32 %result +} + +define i32 @trivial_wb(i32* %array, i32 %length, i32 %n) { +; CHECK-LABEL: @trivial_wb( +; CHECK-NEXT: entry: +; CHECK-NEXT: [[TMP0:%.*]] = icmp ugt i32 [[N:%.*]], 1 +; CHECK-NEXT: [[UMAX:%.*]] = select i1 [[TMP0]], i32 [[N]], i32 1 +; CHECK-NEXT: [[TMP1:%.*]] = add i32 [[UMAX]], -1 +; CHECK-NEXT: [[TMP2:%.*]] = icmp ult i32 [[LENGTH:%.*]], [[TMP1]] +; CHECK-NEXT: [[UMIN:%.*]] = select i1 [[TMP2]], i32 [[LENGTH]], i32 [[TMP1]] +; CHECK-NEXT: [[TMP3:%.*]] = icmp ugt i32 [[LENGTH]], [[UMIN]] +; CHECK-NEXT: [[TMP4:%.*]] = freeze i1 [[TMP3]] +; CHECK-NEXT: [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition() +; CHECK-NEXT: [[TMP5:%.*]] = and i1 [[TMP4]], [[WIDENABLE_COND]] +; CHECK-NEXT: br i1 [[TMP5]], label [[LOOP_PREHEADER:%.*]], label [[DEOPT:%.*]], !prof !0 +; CHECK: deopt: +; CHECK-NEXT: [[DEOPTRET:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32() [ "deopt"() ] +; CHECK-NEXT: ret i32 [[DEOPTRET]] +; CHECK: loop.preheader: +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[GUARDED:%.*]] ], [ 0, [[LOOP_PREHEADER]] ] +; CHECK-NEXT: [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[GUARDED]] ], [ 0, [[LOOP_PREHEADER]] ] +; CHECK-NEXT: call void @unknown() +; CHECK-NEXT: [[WITHIN_BOUNDS:%.*]] = icmp ult i32 [[I]], [[LENGTH]] +; CHECK-NEXT: br i1 true, label [[GUARDED]], label [[DEOPT2:%.*]], !prof !0 +; CHECK: deopt2: +; CHECK-NEXT: call void @unknown() +; CHECK-NEXT: [[DEOPTRET2:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32() [ "deopt"() ] +; CHECK-NEXT: ret i32 [[DEOPTRET2]] +; CHECK: guarded: +; CHECK-NEXT: [[I_I64:%.*]] = zext i32 [[I]] to i64 +; CHECK-NEXT: [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]] +; CHECK-NEXT: [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4 +; CHECK-NEXT: store i32 0, i32* [[ARRAY_I_PTR]] +; CHECK-NEXT: [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]] +; CHECK-NEXT: [[I_NEXT]] = add nuw i32 [[I]], 1 +; CHECK-NEXT: [[CONTINUE:%.*]] = icmp ult i32 [[I_NEXT]], [[N]] +; CHECK-NEXT: br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT:%.*]] +; CHECK: exit: +; CHECK-NEXT: [[RESULT:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[GUARDED]] ] +; CHECK-NEXT: ret i32 [[RESULT]] +; +entry: + %widenable_cond = call i1 @llvm.experimental.widenable.condition() + br i1 %widenable_cond, label %loop.preheader, label %deopt, !prof !0 + +deopt: + %deoptret = call i32 (...) @llvm.experimental.deoptimize.i32() [ "deopt"() ] + ret i32 %deoptret + +loop.preheader: + br label %loop + +loop: + %loop.acc = phi i32 [ %loop.acc.next, %guarded ], [ 0, %loop.preheader ] + %i = phi i32 [ %i.next, %guarded ], [ 0, %loop.preheader ] + call void @unknown() + %within.bounds = icmp ult i32 %i, %length + br i1 %within.bounds, label %guarded, label %deopt2, !prof !0 + +deopt2: + call void @unknown() + %deoptret2 = call i32 (...) @llvm.experimental.deoptimize.i32() [ "deopt"() ] + ret i32 %deoptret2 + +guarded: + %i.i64 = zext i32 %i to i64 + %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64 + %array.i = load i32, i32* %array.i.ptr, align 4 + store i32 0, i32* %array.i.ptr + %loop.acc.next = add i32 %loop.acc, %array.i + %i.next = add nuw i32 %i, 1 + %continue = icmp ult i32 %i.next, %n + br i1 %continue, label %loop, label %exit + +exit: + %result = phi i32 [ %loop.acc.next, %guarded ] + ret i32 %result +} + ; TODO: Non-latch exits can still be predicated ; This is currently prevented by an overly restrictive profitability check. define i32 @todo_unconditional_latch(i32* %array, i32 %length, i1 %cond_0) { diff --git a/llvm/test/Transforms/SimplifyCFG/wc-widen-block.ll b/llvm/test/Transforms/SimplifyCFG/wc-widen-block.ll index 79bbefd1266..e889d02a281 100644 --- a/llvm/test/Transforms/SimplifyCFG/wc-widen-block.ll +++ b/llvm/test/Transforms/SimplifyCFG/wc-widen-block.ll @@ -363,6 +363,81 @@ return: ret i32 0 } +define i32 @trivial_wb(i1 %cond_0, i32* %p) { +; CHECK-LABEL: @trivial_wb( +; CHECK-NEXT: entry: +; CHECK-NEXT: [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition() +; CHECK-NEXT: br i1 [[WIDENABLE_COND]], label [[GUARDED:%.*]], label [[DEOPT:%.*]], !prof !0 +; CHECK: deopt: +; CHECK-NEXT: [[DEOPTRET:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32() [ "deopt"() ] +; CHECK-NEXT: ret i32 [[DEOPTRET]] +; CHECK: guarded: +; CHECK-NEXT: [[V:%.*]] = load i32, i32* [[P:%.*]] +; CHECK-NEXT: [[COND_1:%.*]] = icmp eq i32 [[V]], 0 +; CHECK-NEXT: br i1 [[COND_1]], label [[RETURN:%.*]], label [[DEOPT]], !prof !0 +; CHECK: return: +; CHECK-NEXT: ret i32 0 +; +entry: + %widenable_cond = call i1 @llvm.experimental.widenable.condition() + br i1 %widenable_cond, label %guarded, label %deopt, !prof !0 + +deopt: + %deoptret = call i32 (...) @llvm.experimental.deoptimize.i32() [ "deopt"() ] + ret i32 %deoptret + +guarded: + %v = load i32, i32* %p + %cond_1 = icmp eq i32 %v, 0 + br i1 %cond_1, label %return, label %deopt2, !prof !0 + +deopt2: + %deoptret2 = call i32 (...) @llvm.experimental.deoptimize.i32() [ "deopt"() ] + ret i32 %deoptret2 + +return: + ret i32 0 +} + + +define i32 @swapped_wb(i1 %cond_0, i32* %p) { +; CHECK-LABEL: @swapped_wb( +; CHECK-NEXT: entry: +; CHECK-NEXT: [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition() +; CHECK-NEXT: [[EXIPLICIT_GUARD_COND:%.*]] = and i1 [[WIDENABLE_COND]], [[COND_0:%.*]] +; CHECK-NEXT: br i1 [[EXIPLICIT_GUARD_COND]], label [[GUARDED:%.*]], label [[DEOPT:%.*]], !prof !0 +; CHECK: deopt: +; CHECK-NEXT: [[DEOPTRET:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32() [ "deopt"() ] +; CHECK-NEXT: ret i32 [[DEOPTRET]] +; CHECK: guarded: +; CHECK-NEXT: [[V:%.*]] = load i32, i32* [[P:%.*]] +; CHECK-NEXT: [[COND_1:%.*]] = icmp eq i32 [[V]], 0 +; CHECK-NEXT: br i1 [[COND_1]], label [[RETURN:%.*]], label [[DEOPT]], !prof !0 +; CHECK: return: +; CHECK-NEXT: ret i32 0 +; +entry: + %widenable_cond = call i1 @llvm.experimental.widenable.condition() + %exiplicit_guard_cond = and i1 %widenable_cond, %cond_0 + br i1 %exiplicit_guard_cond, label %guarded, label %deopt, !prof !0 + +deopt: + %deoptret = call i32 (...) @llvm.experimental.deoptimize.i32() [ "deopt"() ] + ret i32 %deoptret + +guarded: + %v = load i32, i32* %p + %cond_1 = icmp eq i32 %v, 0 + br i1 %cond_1, label %return, label %deopt2, !prof !0 + +deopt2: + %deoptret2 = call i32 (...) @llvm.experimental.deoptimize.i32() [ "deopt"() ] + ret i32 %deoptret2 + +return: + ret i32 0 +} + |
